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Few minutes work if just the safety expansion valve leaks ( most probably only the valve)
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; d& z9 w6 m% M. H. gClose the main water inlet valve;
+ p* F. `6 e. h, a2 Wopen all faucets in the house including showers to drain all water out in the pipe line;
: r3 p; j; N; Z3 t' b! H. `: SClose the cold water valve to the water tank if you have one;
3 C* y O1 y3 p$ p) D, |Shut down the hot water tank by closing the temperature switch to off;
6 G# B+ h! _. l" f# I, P, oOpen the drain valve at the bottom to drain all the water out; E) j6 e8 E E% X' n1 h% i, f5 A
Then remove the expansion valve, go to home or Canadian tire. they all have one.
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: R$ A8 M- G ]" f: O5 NAny doubt text me at 780-880-2698% G; d B/ g5 G. q+ f8 U4 h6 X
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