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JRMichler · 11-21-15, 07:36 PM

I have an Ecostat. It looks and acts like a Honeywell T87, but does not use mercury. The HVAC installer had originally installed a different manual thermostat. I had it removed because it cycled the heating system on and off a minimum of five times per hour, which defeats the purpose of a modulating condensing boiler.

11-21-15, 07:36 PM	#17
JRMichler Apprentice EcoRenovator Join Date: Apr 2012 Location: Phillips, WI Posts: 109 Thanks: 10 Thanked 30 Times in 25 Posts	I have an Ecostat. It looks and acts like a Honeywell T87, but does not use mercury. The HVAC installer had originally installed a different manual thermostat. I had it removed because it cycled the heating system on and off a minimum of five times per hour, which defeats the purpose of a modulating condensing boiler.