Hydronic garage unit heater

Old 10-06-17, 11:19 AM
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Hydronic garage unit heater

greetings all
I just installed a Modine style heater in my garage there was an older one in place that I had'nt used since I bought this house. On the wall is an old singer thermostat and when it's turned up it activates the plug in the wall to turn on the fan and it turns on the pump for that zone but it does not activate the boiler. So I looked around in my boiler room and there is no zone control circuit. It's all just Romex. So I'm thinking that old singer thermostat closes the circuit for the pump and the fan but how can I get it to activate the boiler?
Old 10-06-17, 11:51 AM
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Welcome to the forums.

If it's not a cold start boiler.... it will already be pretty hot.

Is this boiler for a residence or solely for the garage ?
Is there just that one hydronic unit connected ?

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