honeywell L8124L aquastat

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    • #276051
      MasterPlumbers
      Keymaster

      I have installed a boiler in my home. I am using a Honeywell L8124L aquastat and 3 V8043 zone valves.In the manual it says I can power up to three valves without additional transformer. But further on in the manual it states that only 2 can be powered. Transformer is 30va valves are 24v 6watt. Honeywell won’t answer my question.

    • #293336
      Harold Kestenholz
      Participant

      Depending upon the watts drawn for the control board of the heater, there might or might not be enough wattage to power the board and three zone valves. Three zone valves of 6W is 24W out of a 30VA or wattage transformer. If the control board always uses less than 6VA, then the setup might be OK. Overdrawing would make the ignition drop out and perhaps damage the board and/or transformer. A sure way to avoid the problem is to pay the price of a new separate 40VA transformer for the zone valves.

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