Hayward heater lo - Lo code new Hayward Heater. CCBRENNER; Jun 28, 2023; Everything Else; Replies 4 Views 183. Everything Else Jun 28, 2023. CCBRENNER. C. B. Constant issues with Hayward ...

 
You need to put the heater in STANDBY Mode to get the bO code on the heater display. Press the mode button once to get the heater in STANDBY Mode. First, press and hold on to the Down key. Then, press and hold down the MODE key as well. You need to keep holding both keys for about three seconds. At this point, the “bO” message …. Truist upper marlboro md

Universal H-Series Natural Gas 400,000 BTU Low NOx. Hayward. SKU: W3H400FDN. The Universal H-Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional. Add to Compare. Add to Export. Exactly what I needed to get my Hayward H250 pool heater, with a LO code, fired up. Less than 5-minute install. Read more. Helpful. Report. Ty Van Slooten. 5.0 out of 5 stars Fixed my heater. Reviewed in the United States on June 5, 2023. Verified Purchase. Came quickly, went in easy, no need for additional adjustments. Pool heater is back up ...May 29, 2023 · Adjust the water flow or call a professional if the pressure is too low. Clean the Filter: A dirty or clogged filter can cause Hayward Heater CE Code errors. Clean the filter thoroughly and replace it if necessary. This will improve the heater’s efficiency and prevent future issues. Inspect the Ignition System: If the above steps do not ... Shop for a Hayward W3H400FDP Universal H-Series H400 Low NOx Pool Heater, 400,000 BTU, Propane Gas at The Pool Supplies Superstore. FREE Shipping & Unbeatable Low Prices. You need to put the heater in STANDBY Mode to get the bO code on the heater display. Press the mode button once to get the heater in STANDBY Mode. First, press and hold on to the Down key. Then, press and hold down the MODE key as well. You need to keep holding both keys for about three seconds. At this point, the “bO” message …Universal H-Series Natural Gas 400,000 BTU Low NOx. Hayward. SKU: W3H400FDN. The Universal H-Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional. Add to Compare. Add to Export.April 9, 2023 by William. Hayward pool heater IF code basically signifies the ignition failure of your heater system. The major reasons for Hayward pool heater code IF/ignition failure include lower gas supply, clogged filter, and malfunctioning of the gas and plumber valve. Also, a faulty transformer, defective flame sensor, bad igniter, and ...About This Product. The Hayward Universal H-Series gas heater is one of the most energy-efficient Pool and Spa heating solutions on the market! This unit is perfect for the environmentally conscious Pool and Spa owner thanks to its Low NOx (Nitrogen Oxide) capabilities.Step 4: Disconnect Blower connector from the Control Module.Set the heater to the Pool or Spa setting. To generate a call for heat, lower the set point temperature. Step 5: Measure 120VAC along pins 1 and 2 during the pre-purge period. About This Product. The Hayward Universal H-Series gas heater is one of the most energy-efficient Pool and Spa heating solutions on the market! This unit is perfect for the environmentally conscious Pool and Spa owner thanks to its Low NOx (Nitrogen Oxide) capabilities. You need to put the heater in STANDBY Mode to get the bO code on the heater display. Press the mode button once to get the heater in STANDBY Mode. First, press and hold on to the Down key. Then, press and hold down the MODE key as well. You need to keep holding both keys for about three seconds. At this point, the “bO” message …Page 1 HAYWARD ® POOL AND SPA/HOT TUB HEATERS H250FDN & H250FDP; H350FDN & H350FDP; H400FDN & H400FDP MODELS SERVICE & INSTALLATION MANUAL FOR YOUR SAFETY WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, injury, or …Shop for a Hayward W3H400FDP Universal H-Series H400 Low NOx Pool Heater, 400,000 BTU, Propane Gas at The Pool Supplies Superstore. FREE Shipping & Unbeatable Low Prices.Reno, Nev., is located further to the west than Los Angeles, Calif. Reno runs along the longitude of 119 degrees and 49 minutes west, while Los Angeles sits along a longitude of 11...Exactly what I needed to get my Hayward H250 pool heater, with a LO code, fired up. Less than 5-minute install. Read more. Helpful. Report. Ty Van Slooten. 5.0 out of 5 stars Fixed my heater. Reviewed in the United States on June 5, 2023. Verified Purchase. Came quickly, went in easy, no need for additional adjustments. Pool heater is back up ...Our network of certified personnel can help you build your pool, recommend a product, repair a faulty product, and test your water. Find a professional near you. Hayward offers environmentally responsible, cutting-edge pool and spa equipment for residential and commercial, in-ground and above-ground pools. Models manufactured before Sept. 2010: measure across pins 1-2 (black & red), then 3-4 (white & blue) for 8-9 ohms. Models after Sept. 2010: measure for 4-5 ohms across the two terminal with wires. IF out-of-range, replace blower (pg. 20). IF correct, contact technical support (908)355-7995. Shop for a Hayward W3H400FDP Universal H-Series H400 Low NOx Pool Heater, 400,000 BTU, Propane Gas at The Pool Supplies Superstore. FREE Shipping & Unbeatable Low Prices.Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp; Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, …Adjust the water flow or call a professional if the pressure is too low. Clean the Filter: A dirty or clogged filter can cause Hayward Heater CE Code errors. Clean the filter thoroughly and replace it if necessary. This will improve the heater’s efficiency and prevent future issues. Inspect the Ignition System: If the above steps do not ...Shopping for Hayward Universal H-Series H500 Low Nox Pool Heater, 500,000 BTU, Propane Gas? Doheny's has it in stock now at the guaranteed lowest price. Enjoy FREE Expedited Shipping.Adjust the water flow or call a professional if the pressure is too low. Clean the Filter: A dirty or clogged filter can cause Hayward Heater CE Code errors. Clean the filter thoroughly and replace it if necessary. This will improve the heater’s efficiency and prevent future issues. Inspect the Ignition System: If the above steps do not ...Dec 2, 2021 · How to fix it: Check that pool pump is receiving enough water. Ensure that your pool pump is sending water to the heat pump. For variable speed pool pumps, try putting the pump speed up a notch Check for any clogs or backups causing poor water circulation. The same is true if what you use is in your pool is the Raypak pool heater. This video goes over resolving a likely cause to the LO error code that comes up on Hayward H series pool heaters. Here's a link on the part you will likely... Find somewhere else to keep these household objects. In addition to using less energy, part of the appeal of tankless hot water heaters is that they take up less space than traditi...HU-429948972. 3 years ago. Hi I just hooked up a new 150,000 Hayward. With pump on low speed I get the LO code. So I put on high speed and LO code immediately goes away but then within 30 seconds I get HS code and shut down. 724-977-7371. Like.4.8K views 2 years ago. My pool heater would not fire and was showing the LO (low flow) code. This shows where the adjustment knob is on the pressure switch and insight into how to …This FD ignitor kit is designed to use with Hayward Universal H-Series Low NOx pool heater models H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP. Weighs 5.9 pounds.The cost of running a pool heater is cheap for solar heaters, around $100-$200/mo for heaters, and in the $200-$400/mo range for gas heaters. Your actual heating costs will vary from month to month, depending on the outside temperature and weather.May 17, 2016 ... Mark shows us in this video how to do troubleshooting for a heater, he walks us through all of the steps. For all the pool knowledge you're ...Hayward Heater LO code. Thread starter joeg679; Start date Jul 19, 2023; Jump to latest Follow Reply Forums. Equipment - Build, Use, and Repair. Pumps, Filters, and Plumbing . 1; 2; Next. 1 of 2 Go to page. Go. Next Last. J. joeg679 Member. May 28, 2017 21 NJ. Jul 19, 2023; Add bookmark #1 Hello, I was getting a Lo code on my heater …Hayward’s Universal H-Series 400,000 BTU natural gas pool and spa heaters provide reliable, long-lasting comfort for pools and spas with surface areas up to 1,200 feet. Manufactured with a durable copper-nickel heat exchanger that provides superior protection against corrosion and premature failure due to water chemistry imbalances, ensuring ...Universal H-Series ASME heater suited to every setup. Front single-panel access means service is quick and easy. BEST-IN-CLASS HEATING SPEED Universal H-Series ASME heaters boast industry-leading hydraulics, with the 500,000 BTU model achieving the fastest speed-to-heat in its class. Its quick and efficient operation meansJandy Aquapure 1400. Jul 4, 2022. #5. 1poolman1 said: The "brass plug" is actually one of the limit switches. If there is enough wire, try splicing them back together. If not, you will need to get a new one. The heater is sensing an "open" condition on the limit switch and won't allow the ignition process to go any further than "fan on."I was given a heater with the used pool I purchased. Previous owner indicated it worked, but leaked. I decided to see what was wrong. As it turns out there ...April 9, 2023 by William. Hayward pool heater IF code basically signifies the ignition failure of your heater system. The major reasons for Hayward pool heater code IF/ignition failure include lower gas supply, clogged filter, and malfunctioning of the gas and plumber valve. Also, a faulty transformer, defective flame sensor, bad igniter, and ...Enter a postal code to find the nearest Hayward authorized pool professional. Postal Code: How far from the above postal code do you want to search? Enter the miles in the box below. Minimum of 10 miles, maximum of 100. ... Heaters (not including Heat Pumps) Heat Pumps. Lighting. Pumps. Variable Speed Pumps. VS Omni variable-speed pumps. … Heater will not power up Pages 14-22 Open FC1 and/or FC2 Fuse Pages 23-24 Open FC3 and/or F1 Fuse Pages 25-28 Open FC4 Fuse Pages 29-31 Diagnostic Codes Page 32 BD Code Pages 33-34 EE and CE Codes Page 35 IO and SB Codes Page 36 SF and HS Codes Page 37 HS and PF Codes Page 38 HF Code Page 39 LO Code Pages 40-43 Understanding the Lo Code Error Message If you own a Hayward pool heater, you may have experienced the "Lo" code error message at some point. This error message …Jun 28, 2020 ... If you have an SF error code on your pool or spa Hayward heater I made a quick video how to fix it. I don't have an editing program so ...Dec 6, 2020 · Answering a viewers request on how to add and program a newly installed heater to a Hayward OmniLogic Automation system. What Causes the Hayward Heater LO Code? 1. There Is A Fault With The Water Pressure Switch. How to diagnose if the water pressure switch has a fault; LO CODE FIXES. Step 1: Inspecting the Water Pressure Switch Wiring; Step 2: Testing Water Pressure Switch Continuity; Step 3: Pressure Switch Adjustment (If Required)Start heater again. Does low side pressure drop below 30 psi for R-22 unit or 80 psi on a R-410A unit? Figure C. Replace LP switch. See Note 2 below NO Abandon existing switch on Hayward R-22 units. Replacement switch is a screw on switch. Use a swivel tee on the low side access port. On Summit and R-410A (4T) Hayward units the existing switch ...top 15 los angeles restaurants Update: Some offers mentioned below are no longer available. View the current offers here. Think of Los Angeles and images of your favorite celebriti...Sep 22, 2018 ... My pool heater stopped working and the display showed IO which means the igniter is bad. It was replaced and still showed that code.Universal H-Series Propane Gas 150,000 BTU Low NOx. Hayward. SKU: W3H150FDP. The Universal H-Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional. Add to Compare. Add to Export.Universal HC Series - Dual Fuel 400k BTU. Hayward. SKU: HDF400. The industry’s smallest footprint heater allows replacement of almost any heater in an existing pad with the efficient reliability of the new Universal HC Series dual-fuel technology heater from Hayward®. Add to Compare. Add to Export. Overview.Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt ...Start heater again. Does low side pressure drop below 30 psi for R-22 unit or 80 psi on a R-410A unit? Figure C. Replace LP switch. See Note 2 below NO Abandon existing switch on Hayward R-22 units. Replacement switch is a screw on switch. Use a swivel tee on the low side access port. On Summit and R-410A (4T) Hayward units the existing switch ...May 4, 2022 · Faulty water temperature switch, malfunctioning vent pressure switch, and defective temperature limit switch are accountable for displaying the Hayward pool heater LO code. Also, the damaged flow switch diaphragm and clogged filter are responsible for showing this code on your pool heater. However, going through the article, you will learn all about reasons behind LO Start heater again. Does low side pressure drop below 30 psi for R-22 unit or 80 psi on a R-410A unit? Figure C. Replace LP switch. See Note 2 below NO Abandon existing switch on Hayward R-22 units. Replacement switch is a screw on switch. Use a swivel tee on the low side access port. On Summit and R-410A (4T) Hayward units the existing switch ...Everything you need to know about getting to and staying in Los Cabos. As one of the few countries completely open to American travelers during the pandemic, Mexico became a hugely...Print. Heater-Universial 200 Lp Lo Nx Item #H200FDP. The Universal H-Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional. Standard Cupro Nickel Heat Exchanger. Excellent Salt Water and chemical Corrosion Resistance. Exclusive 'Totally Managed' Cupro Nickel Heat Exchanger Water …Problem Possible Cause Possible Solution; Heater cycles on & off: 1. Filter or pump baskets are dirty. 2. External bypass is out of adjustment. 3. Internal bypass is broken or stuck.Service LED ON: “LO” Code “LO” Code (Limit Open) may relate to water flow. Verify the pump is running & adequate water is flowing through heater. “LO” is NORMAL when the …POOL AND SPA/HOT TUB HEATERS H150FD, H200FD, H250FD, H300FD, H350FD, H400FD & H500FD MODELS SERVICE & INSTALLATION MANUAL ... Tel: 08-355-75 www.hayward-pool.com USE ONLy HAyWARD GENUINE REPLACEMENT PARTS SAFETy INFORMATION 3 Basic safety precautions should always be followed, including …The cost of running a pool heater is cheap for solar heaters, around $100-$200/mo for heaters, and in the $200-$400/mo range for gas heaters. Your actual heating costs will vary from month to month, depending on the outside temperature and weather.Verify the pump is running & adequate water is flowing through heater. "LO" is NORMAL when the pump is turned off or there is and place it on the terminal with the white wire on the gas valve, then Go To Step 11C. 44; Hayward HDF400 | Universal HC Series Heater Troubleshooting Guide - Page 45 11.Use the “Mode” key to change your heater’s settings. Select the “Standby” Option and put the heater on it. Press the remote’s “Down” key and hold it and then press the Mode key and hold it simultaneously. For 3 seconds, hold down both the “Down” and “Mode” keys as long as the “bo” code doesn’t remove from your ...Adjust the water flow or call a professional if the pressure is too low. Clean the Filter: A dirty or clogged filter can cause Hayward Heater CE Code errors. Clean the filter thoroughly and replace it if necessary. This will improve the heater’s efficiency and prevent future issues. Inspect the Ignition System: If the above steps do not ...I have Hayward H150FDN Universal H-Series, Low NOx, 150,000 BTU, Natural Gas, Pool and Spa Heater and I am getting a LO code with is a flow problem. I have my intermatic timer set for 755am to turn on and give my equipment power, then at 8am the Hayward pump turn on.Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp ; Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp ; Weight 4.8 poundsAug 6, 2021 ... Pool Heater Service Call - Hayward Heat Pro Heat Pump with LP Error on display. LP is Low Pressure. We found a leak on the filter dryer, ...Hayward pool heaters are known for their durability and ease of use. They are designed with a cupro-nickel heat exchanger that resists corrosion and lasts longer than traditional copper exchangers. Hayward heaters also come with a digital control panel that allows you to adjust the temperature and settings easily.Print. Heater-Universial 200 Lp Lo Nx Item #H200FDP. The Universal H-Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional. Standard Cupro Nickel Heat Exchanger. Excellent Salt Water and chemical Corrosion Resistance. Exclusive 'Totally Managed' Cupro Nickel Heat Exchanger Water …May 31, 2023 · Consult the heater’s manual or contact Hayward customer support for guidance on how to replace the flame sensor. Hayward Pool Heater IF Code What Does IF Code Mean? The Hayward Pool Heater IF code indicates an ignition failure. This means that the heater was unable to ignite the gas properly, preventing it from operating as intended. Jul 4, 2019 ... Hayward Pool Heater LO Code? Watch This!! Touched By The Sun Pools ... Pool Basics: How To Start/Light a Hayward H-Series Pool Heater. True ...Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp ; Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp ; Weight 4.8 pounds58083 M7 Heater Assembly Replacement Heater for Balboa BP, VS, and EL2001 220 V. $134.89. Find many great new & used options and get the best deals for Hayward+H-series+Lo+NOX+Heater+Header+O-ring+HAXHOR1930 at the best online prices at eBay! Free shipping for many products!Universal H-Series Natural Gas 400,000 BTU Low NOx. Hayward. SKU: W3H400FDN. The Universal H-Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional. Add to Compare. Add to Export.Heater will not power up Pages 14-22 Open FC1 and/or FC2 Fuse Pages 23-24 Open FC3 and/or F1 Fuse Pages 25-28 Open FC4 Fuse Pages 29-31 Diagnostic Codes Page 32 BD Code Pages 33-34 EE and CE Codes Page 35 IO and SB Codes Page 36 SF and HS Codes Page 37 HS and PF Codes Page 38 HF Code Page 39 LO Code Pages 40-43Jan 11, 2022 · Step 3: If yes, disconnect the p4 plug from the connection and take the voltage reading of pins 4 and 6. Here you will also get reading for 110-125 VAC. Step 4: In case you are getting the right voltage in both cases, it’s a must say that the fuse is blown and you need to replace it. Professional Service: If you’ve tried the above steps and the LO code persists, it’s advisable to contact a professional pool heater technician. They can diagnose the issue more accurately and perform any necessary repairs. Preventing Future LO Codes. To avoid encountering the Hayward Heater LO Code in the future, consider …The Hayward pool heater spa mode is designed to maintain a specific “spa-like” temperature in the pool. To use this mode, enable “Spa mode” from the control panel, set the required temperature, and let the pool heater warm the water. Once ready, test the water. This process is a joy to behold for those who want to soak themselves in ...Description: H-Series MilliVolt heaters feature a rust-resistant water path with polymer header assembly, and a rapid-heat combustion chamber. They are easy to install and maintain, thanks to its low profile, lightweight and CPVC plumbing capabilities. H-Series MilliVolt heaters are all equipped with a Cupro Nickel Heat Exchanger for efficient ... Set both the pool and spa desired temperature on the heat pump before turning on the remote. Once the remote is calling for pool or spa you will not be able to change the function on the heat pump without turning the remote off. Use Terminals 1 and 2 for 2 wire remote connection. Use Terminals 3,4,& 5. Hayward salt systems are a popular choice for homeowners looking to maintain their swimming pool water in a clean and safe condition. These systems use salt to generate chlorine, e...Exactly what I needed to get my Hayward H250 pool heater, with a LO code, fired up. Less than 5-minute install. Read more. Helpful. Report. Ty Van Slooten. 5.0 out of 5 stars Fixed my heater. Reviewed in the United States on June 5, 2023. Verified Purchase. Came quickly, went in easy, no need for additional adjustments. Pool heater is back up ...I was given a heater with the used pool I purchased. Previous owner indicated it worked, but leaked. I decided to see what was wrong. As it turns out there ...Universal H-Series ASME heater suited to every setup. Front single-panel access means service is quick and easy. BEST-IN-CLASS HEATING SPEED Universal H-Series ASME heaters boast industry-leading hydraulics, with the 500,000 BTU model achieving the fastest speed-to-heat in its class. Its quick and efficient operation means

The possible causes behind this error message are- a dirty pool filter, water pressure switch fault, vent pressure switch fault, temperature limit switch fault, and exhaust gas temperature limit fault. Read our guide on how to fix the LO code on the Hayward heater to get your heater running ASAP.. Havana cafe north attleboro ma

hayward heater lo

Dec 6, 2020 · Answering a viewers request on how to add and program a newly installed heater to a Hayward OmniLogic Automation system. NJ. Aug 7, 2021. #1. Hello, I have a H150FDN pool heater. It's worked all summer so far, but last week I noticed that it would turn on for a few minutes then turn off and show Lo. The filter is clean and the output is strong. I ordered a new pressure switch, but in the meantime I took the two wires that connect to the switch and made a jumper ... HeatPro In Ground Heat Pump, 140,000 BTUs, Square Platform. Hayward has an advanced lineup of gas heat and electric heat and heat+chill solutions to deliver the ultimate control of your water temperature. 4.8K views 2 years ago. My pool heater would not fire and was showing the LO (low flow) code. This shows where the adjustment knob is on the pressure switch and insight into how to change the...Exactly what I needed to get my Hayward H250 pool heater, with a LO code, fired up. Less than 5-minute install. Read more. Helpful. Report. Ty Van Slooten. 5.0 out of 5 stars Fixed my heater. Reviewed in the United States on June 5, 2023. Verified Purchase. Came quickly, went in easy, no need for additional adjustments. Pool heater is back up ...If you own a Hayward pool heater, you might have encountered the dreaded LO code on the display. This code can be perplexing, but fear not – in this blog post, …Service LED ON: “LO” Code “LO” Code (Limit Open) may relate to water flow. Verify the pump is running & adequate water is flowing through heater. “LO” is NORMAL when the …Page 1 HAYWARD ® POOL AND SPA/HOT TUB HEATERS H250FDN & H250FDP; H350FDN & H350FDP; H400FDN & H400FDP MODELS SERVICE & INSTALLATION MANUAL FOR YOUR SAFETY WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, injury, or …My Hayward spa heater (installed 2018) is not heating the water and is displaying this LO code. I have read every troubleshooting guide and watched every video I could find. My diagnostics included: 1. Cleaned the filters, even ran the pump without the filters - still LO 2. Checked wires at pressure switch for continuity - still LO 3.PitschPlumbing. Generally, LO refers to the pressure switch, water pressure. This can be caused by either the diaphram in the flow switch has failed or the filters is clogged and/or pump is unable to make enough pressure to make the switch. Open the front panel of the heater and look up in to the right. You will see a round part with 2 wires ... Universal H-Series ASME heater suited to every setup. Front single-panel access means service is quick and easy. BEST-IN-CLASS HEATING SPEED Universal H-Series ASME heaters boast industry-leading hydraulics, with the 500,000 BTU model achieving the fastest speed-to-heat in its class. Its quick and efficient operation means Hover Image to Zoom. $ 3999 00. $334.00 /mo† suggested payments with 12 months† financing Apply Now. Offers heating that is energy efficient and environment friendly. Please review the For Your Swimming Pool brochure. Patented bypass design ensures better hydraulic performance. View More Details. We have a commercial inground pool with a 250000 btu Hayward H Series Propane Heater for the spa and we just added a 140k Hayward Heat Pro Heat pump to pool. How can we plumb them together so both poo …Exiting Bypass Operation. To exit bypass operation and resolve the bO Code problem, follow these steps: First, set the heater to standby mode. Next, press and hold the Down key and MODE key for three seconds. Finally, verify that the display no longer shows the “bO” indication. Power cycle heater Call for heat and test gas valve Step 10A... Page 44: Lo: Code 11. Service LED ON: “LO” Code “LO” Code (Limit Open) may relate to water flow. Verify the pump is running & adequate water is flowing through heater. “LO” is NORMAL when the pump is turned off or there is insufficient water flow. Hayward Pool Heater LO Code? Watch This!! Touched By The Sun Pools. 553 subscribers. Subscribed. 303. 159K views 5 years ago. Are you experiencing a LO code on your Hayward H-Series pool...Hayward Universal H-Series Low NOx Induced Draft Pool & Spa Heater | 200,000 BTU | Natural Gas | W3H200FDN. The Hayward Universal H-Series gas heater is the "universal" energy efficient remedy for any new or existing pool or spa. An industry leading hydraulic design reduces circulation pump run time to provide energy savings of up to 18% when ....

Popular Topics