Recent content by smd11873

Just want to say I am getting quite an education by surfing and using this forum. Although the heater I am troubleshooting just says H400 on it I have figured out from researching the site that I have this model "Hayward H-Series Low NOx Induced Draft H400IDL2". I am posting this new post...

Check here for manual and diagrams on all Hayward products http://www.haywardnet.com/inground/products/manuals.cfm

Re: Hayward H400 Series heater problems Thanks Bama Rambler! I appreciate the time. Is that what its called. A differential air switch. The name make sense. I actually have 2 of these with seperate hoses going to 2 different air differential air switches/ sensors. They are located right under...

Update to my original post below. I may have misdiagnosed the original issue. AFter checking the blower and fixing the air sensor on the post side of the blower I still have the same issue. It runs for several minutes and then something clicks or appears to try and shut down the heater. The...