Hello to all, I have been running a seton boiler since 2008, in 2010 I added 1000 gal storage and run it wide open up to 165 then shut it down untill the next morning. I also installed the Calefi 280 valve at that time and last year it started to hum on and off. Lately it has become more frequent and it seems to be after the water is above 150. Does anybody know if there is a rebuild kit or should I replace the valve. It appears to be working fine but has me worried it might be ready to fail. Any advice is appreciated, i read the tech brocure but could only find info about the cartridge sensor. My guess its got more to do with the internal spring? Thanks, Craig
Calefi 280 mixing valve
- Thread starter grumpy chief
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hyfire
Minister of Fire
I would replace the whole valve, I know it expensive, but you don't want this to mess up. I use a regulus TSV B valve, it works well but its not NPT.
Thanks for your reply, I ordered one yesterday. The same one so I dont have to do any changes to the plumbing, out with old, in with new. It seems appropriate for the day. Craig
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