i have 10 rads and 3 are stone cold in last week. took off trv head and pulled up the pin( as i know sometimes the pins goes kanckered. stillnothing. pump is fine. do i need to get plumber to replace trv valves?
That wasn't very wise.pulled up the pin
How did you test the pump?pump is fine.
If they're faulty, then yes.do i need to get plumber to replace trv valves?
honeywell. why isnt wise to gently pull pin up? did it few months ago and water started to flow into the rad nicely . must have been jammed then
Well, to start with, did you think about what you were trying to achieve?why isnt wise to gently pull pin up?
tap the pin or you mean the side of the valve ?
Or the side of your head.tap the pin or you mean the side of the valve ?
How did you test the pump?pump is fine.
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