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Old 10-28-2009, 08:12 AM   #1
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Temp switch / aquastat?


I have a small radiant zone as part of my hydronic baseboard heating system. The radiant zone has it's own thermostat to control the zone pump, but in order to keep the boiler from short cycling, the radiant zone does not fire the boiler. I would like to install a temp switch in line with the pump power supply so that the pump will only run when the boiler water is above 90. I'm not exactly sure what product I need to do this. Any recommendations? Thanks.

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Old 10-28-2009, 02:20 PM   #2
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Temp switch / aquastat?


L4006B aquastat. But most of them, are 100 min.

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Old 10-28-2009, 02:36 PM   #3
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Temp switch / aquastat?


You can try calling a local boiler supply company and ask them for a aqua stat that can do that. They should know what to do and could provide you with a Honeywell series (as beenthere has stated) or Johnson Controls controller...

Honeywell Makes controllers that range from 40-120F...so you should be able to get one.
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Old 10-29-2009, 11:38 AM   #4
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Temp switch / aquastat?


Thanks Gents, exactly what I need.
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