Not a gret idea.+ d/ u. ~! r4 I, a Y c
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Hot water has went through all your home's internal pipes whereas cold water comes "direct" from your local reservoir. Which should be pretty safe.; L* `/ P4 ]+ n4 o
4 I% [6 u+ f% D) uBeside,furnace hot water coil is made of metal. Some of it will come into the hot water.