Not a gret idea. . O0 I4 f7 j; K3 ^2 p+ w : a0 d$ r) e! g6 |! C) w, RHot water has went through all your home's internal pipes whereas cold water comes "direct" from your local reservoir. Which should be pretty safe.- V+ r0 Q# \9 ]3 m7 m7 B4 O2 |
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Beside,furnace hot water coil is made of metal. Some of it will come into the hot water.