hayward heater failure -

We have a Hayward H350FDN heater approximately 5 years old, no problems until this year. I've day it kept heating past at temperature then shut off and looked without power. Breaker was OK. It turned itself back on a week later so I turned it off and called for service. The tech said "these...

Hi folks. I have a 16 year old Hayward H25 Natural gas heater and when I tried to switch it on after winter shot down I have no LCD display or LED illumination on control panel. Checked power and getting voltage to transformer. Too circuit board out to take a look for defective or burnt out...

My Hayward 250k BTU NG heater is nearly toast. The heat exchanger started leaking last year, and my epoxy putty patch fixes only seem to hold for a few months at a time. I'm eyeing the Rapyak Avia 264k BTU unit as a replacement. The "NiTek" (nickel-plated copper?) heat exchanger option is...

We got the pool running after the Texas freeze, but the remote isn't working for the heater. It shows the standard "bo" but it won't fire up. I was thinking it was the thermistor, but if I manually bypass by holding the Down arrow and Mode button for 3 seconds it fires right up and does NOT...

Hi All, I am a long time reader, first time poster. I want to say thanks in advance to all the great advice I have gotten from TFP over the past several years. My pool was built in 2015 and is used for only 4 months per year as the pool season is quite short in Whistler BC. From the very...

Guys - new pool install with Hayward H500 natural gas heater. Bypass installed for start up, flow meter for correct flow rates per manual. Large spa - 12x12 approximately. Keep getting LO and lockout when heater gets water up to about 75-80 degrees. Warrant company comes out and checks and...