Quote:
Originally Posted by mechanic
-insulated the hot water lines that I could access(probably 85%?) and put a switch on the circulating pump
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I find that most of the time it is OK if the water is warm, and if I really do want hot water I am prepared to wait for it. So I also put a thermostat on the return line, so the pump would run until the circulation was replenished and then turn off until it had cooled down some. This cut things down significantly - but I still keep the pump switched off most of the time.