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When performing a teardown or heat exchanger inspection
but professional HVACR technicians should leave the first thread clear of sealant to prevent debris from entering the vacuum breaker stem or the TC-V internals
Key Benefits Precise Thermal Control: Features a fixed 140°F to 170°F operating range to ensure safety limit protection for the heat exchanger
As a direct replacement for Reznor part 132009 and 116M43
Factory Precision: Ensures the gas valve opens only when the ignitor has reached the correct temperature
Lennox 79J11 Freezestat 323080-701 When performing a teardown orThe Lennox 79J11 Freezestat (OEM Part # 79J1101) is a precision engineered low temperature cutout switch designed to protect evaporator coils and heat exchangers from debilitating freeze up conditions. As a normally closed (NC) safety device, this single pole snap action thermostat monitors refrigerant and air temperatures within Lennox packaged units and air handlers. It is calibrated to trigger an open circuit at 29F to interrupt the compressor or