When either of the 2 port motorised valves closes, I get a loud clunk. A Honeywell automatic bypass valve was fitted a year or so back to replace a gate valve bypass. I'm happy its in the correct position & orientation, Its set to 0.2 bar. I don't believe we had this clunk last year.
I suspect the automatic bypass valve has failed?
I note when I adjust it via the knurled knob, I feel no resistance, Only when it turned to up to around 0.5 bar I now feel slight resistance. It this normal. I was expecting a little spring push back, not a loose nut. I've no means to tell if there is any flow through the valve. As it's a complete drain job to replace, I'm looking for confidence that the diagnose is reasonable.
Any would be comments appreciated
Jo
I suspect the automatic bypass valve has failed?
I note when I adjust it via the knurled knob, I feel no resistance, Only when it turned to up to around 0.5 bar I now feel slight resistance. It this normal. I was expecting a little spring push back, not a loose nut. I've no means to tell if there is any flow through the valve. As it's a complete drain job to replace, I'm looking for confidence that the diagnose is reasonable.
Any would be comments appreciated
Jo