Brian Kemp wrote:
> I couldn't find a code reference in a quick internet search, but I was
> told by an inspector that it was against code to have a hot water
> shutoff valve on a water heater (assuming a tank type), only a cold
> water shutoff valve that feeds the water heater. Having a hot water
> shutoff that accidentally got closed may lead to over pressurization
> of the tank and an unexpected boom should the T&P valve fail.
>
> Others on the list may want to consult with their local building
> inspector if considering adding a valve on the hot water side of their
> tank.
>
Umm, that sounds a bit strange, if only because there's no difference in
having a valve closed immediately after the tank and a valve closed
fifty feet away--in a closed system, the pressure is equal at all
points. With all the ancillary valves in the system closed, same-same.
Cheers.
--
Michael Porter
Roswell, NM
Never let anyone drive you crazy when you know it's within walking distance....
_______________________________________________
Support Team.Net http://www.team.net/donate.html
Suggested annual donation $12.96
Shop-talk mailing list
http://autox.team.net/mailman/listinfo/shop-talk
http://www.team.net/archive
|