Aqua hot

[Donflem]

I was wondering if anyone knew how are why this part turned blue. It’s some sort of valve on my Aqua Hot it’s leaking on the top of the very back . I think it’s a valve. It looks like a pain to get to. I haven’t started looking yet. I thought I would reach out to the group to see what it is and were to find a replacement?

Thanks Don

2007 Dynasty 

[96 EVO]

Zone valve. 

Prevents the boiler fluid flowing back to the tank when the pump stops sending fluid to that zone.

I'm guessing the blue color is just a reaction between the boiler fluid, brass, and oxygen.

Edited January 16, 2023 by 96 EVO

[HJK2005]

Hello Don, that is a 1/2" check valve. You have one for each zone of the Aqua Hot. They turn blue/green like that when there is a leak that allows the boiler liquid to get on the outside of the valve. You can Google "1/2" brass check valve" and there are various sources for them. Here is one link for Lowe's: https://www.lowes.com/pd/AMERICAN-VALVE-Check-Valve-Brass-1-2-in-Fnpt-Swing-Check-Valve/1000248917?cm_mmc=shp-_-c-_-prd-_-plb-_-ggl-_-LIA_PLB_142_Pipe-Fittings-_-1000248917-_-local-_-0-_-0&ds_rl=1286981&gclid=CjwKCAiA5Y6eBhAbEiwA_2ZWIYMQpNnTMIHRPQPGGxqzC_VzUZ0sDJJ7lktNoNxPilhPmXMjZZn41RoCGzIQAvD_BwE&gclsrc=aw.ds Hope this helps. Feel free to reach me directly if you have any questions. I just did a complete once over on our Aqua Hot. Happy RVing. - Jonathan

Edited January 16, 2023 by HJK2005

[Donflem]

Thank you John I will head over to Lowes.

 

Don

[grizzly]

I needed to replace one of my check valves so I checked with aqua hot to ask if I needed a specific valve or if I could go get one at a hardware store. They said they are different and the seal inside of the regular one would deteriorate over time due to chems in the solution. Now I wasn't goingbto buy from aqua hot so they had no reason to tell me that to try and sell me. I would double check with a tech if a regular one will work. I got one made for aqua hot specifically from a supplier. Coists more but no chance of pieces getting I'm man system . Research it

[Donflem]

Ok thanks.

Don

[birdshill123]

There are 2 types of check valves.  The swing valve uses a flapper. The other valve is a one way check valve that has a spring and plunger inside.