I have a pressure gauage to swap on a boiler, Its not in the combustion chamber .
Would anyone drain the boiler by closing the valves on the flow and return, as I no these can be prone to leaking once turn. How would you drain the boiler if not? Just remove pressure from the system at a drain ?
Would anyone drain the boiler by closing the valves on the flow and return, as I no these can be prone to leaking once turn. How would you drain the boiler if not? Just remove pressure from the system at a drain ?