Recent content by geochurchi

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    Bypass's

    Hi, can someone explain how these bypass's work, what happens when there is no call for heat and the circulator is not running how is the minmum temp maintained? Why not use a low limit control to maintain the minmum temp,or do the bypass's work on convection? Thanks
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    oil burner disconnect switch

    Which code determines the location for the oil burner switch? can't find anything in the NEC. Just curious.
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    minimum boiler temp

    I like the control except for the fact that I can not get the min. boiler temp up to factory specs. I am using the PC700-2 with ZCV 406 EXP which I really liked because it simplified the control wiring and made a nice neat install. I also read that Telmak (spelling)makes the PC 700-2 for Taco...
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    Can't Get Heater to Burn more than 2 seconds, Ready to Pull My Hair Out!

    Could it be a bad heat exchanger sucking the flame away from the thermal couple which is shutting down the gas valve although it does seem a bit quick for that.Just a thought.
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    minimum boiler temp

    No mixing valve
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    minimum boiler temp

    Hi, I have a Buderus G124X propane fired boiler cotrolled by a Taco PC 700-2 boiler reset setting on control is set at 140 for min.boiler temp but the minimum temp is running around 115, I can't figure out which setting on the control affect the minimum temp, Taco tech support always refers me...
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