Forum Discussion
Old-Biscuit
Aug 14, 2019Explorer III
philh wrote:Old-Biscuit wrote:
Having operated 'boilers' of every size/design for over 30 yrs the one thing I do know is about the SAFE operation of them.
Water heaters are just small boilers
Every component attached to boiler MUST meet the temp/press rating of boiler in order to be SAFE.
AND the smaller the hole the more restrictive is becomes when draining/flushing
Just saying....
Pretty sure a brass cockvalve is going to be safe when compared to a plastic plug.
Convenience of the cockvalve trumps the plastic plug for part timers.
Drain plug is NOT plastic
It is NYLON and rated for 300*F PLUS/180 psi
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