TLV - VTC Thermostat 140F (Required component of Thermostatic Load Valve 1")
The VTC Thermostat 140F is a required component of the VTC Thermostatic Load Valve ("TLV"). The TLV is a required installed component for every GX Series furnace installation. The purpose of the TLV is to ensure that the furnace water jacket temp does not drop below 140 degrees.
Contact Hawken Support for installation instruction guide.