You mean it is frozen, the overflow discharge pipe(about 3/4" in diameter) frozen in basement? 5 u9 D0 |# h0 L, d% w4 q/ h7 F2 z8 @ N
Anything related to water frozen in basement is a serious issue, it has to have immediate attention.
Few minutes work if just the safety expansion valve leaks ( most probably only the valve) ! e7 F k) f' K- z/ W& X* h# X) T7 M
Close the main water inlet valve;# M; W* r3 S7 I. c& F9 _
open all faucets in the house including showers to drain all water out in the pipe line;; S7 b U- {& V& Z( C
Close the cold water valve to the water tank if you have one;% S1 ? ], O6 K% u$ ^
Shut down the hot water tank by closing the temperature switch to off;0 p; L; I* e1 Y$ _3 a# a C
Open the drain valve at the bottom to drain all the water out; 3 a& v* G8 }+ P/ J" `4 bThen remove the expansion valve, go to home or Canadian tire. they all have one.# n x, J/ z3 I6 @! L
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Any doubt text me at 780-880-2698 ! v- g( x* A0 w8 g4 `# M
sorry I thought you were talking about a hot water tank....6 ]: m" R% Y: z. k6 f) q0 \
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The humidifier is even simpler. The drain hose is supposed to have water go thorough the humidifier filter inside the housing and then goes to drain when furnace is on.0 l; u; ~1 s& {0 w% B7 A* r
4 J9 }9 Z& c- \# r8 AIf there is no crack at the housing connector, just re-do the connection when the furnace is off.; p3 N- a& |7 h$ I1 M
hushanhe 发表于 2015-1-10 12:23% ~8 w3 Z* _: r8 x S0 J9 Y0 A4 D
sorry I thought you were talking about a hot water tank.... . ^3 @1 P F. |) S 5 e7 @! f" D6 ?2 S( ? n8 {The humidifier is even simpler. The d ...