Posted by jtown on September 17, 2001 at 06:43:12:
In Reply to: bleeding radiators and preventing mineral deposit posted by k. stone on September 15, 2001 at 18:38:47:
If you have one-pipe steam system, the radiators 'bleed' themselves on each cycle. Hot water system radiators have a little valve on the top of one end that takes a little square key such as used on roller skates or clocks. They can be bought at hardware stores. The water in heating systems is not replaced all the time as in a teakettle so you shouldn't build up deposits. A coil made for heating your domestic (drinking) water in a boiler can build up as it is fresh.
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