You mean it is frozen, the overflow discharge pipe(about 3/4" in diameter) frozen in basement?% c7 I7 ?0 j: w, Q1 I9 m
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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) ; h2 U) ~$ @3 h% V8 c% s 2 `- A. S- H6 {9 X8 `Close the main water inlet valve; ( d3 `0 G/ r( g' z$ h3 \3 gopen all faucets in the house including showers to drain all water out in the pipe line; . j$ {; f4 }7 U% [& M4 E ^% K" N: MClose the cold water valve to the water tank if you have one; 5 E2 X `3 j7 u% J( n: n9 M& {Shut down the hot water tank by closing the temperature switch to off;9 P u3 U; D; t6 B4 P& e
Open the drain valve at the bottom to drain all the water out;; H- H7 x0 o: F; p! a0 j
Then remove the expansion valve, go to home or Canadian tire. they all have one. # W P) z& V- @: q5 M$ o$ s0 |% }, g0 U8 @/ o4 E
Any doubt text me at 780-880-2698& A; y3 q' m) m0 e$ J1 S9 D
sorry I thought you were talking about a hot water tank.... 3 Q3 `3 v4 G1 r4 v* Z& P/ i " _4 k* {, z. c8 [& EThe 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. 6 x( f! X7 X0 s0 t 1 O8 P, ]& d( X& k1 O5 r- F' RIf there is no crack at the housing connector, just re-do the connection when the furnace is off. 0 p, P# W' v' w7 p4 y- X + B$ a0 l. t* I* x7 K+ B7 lNot a big issue..