Resideo T834L1004 Thermostat Refrigerant press the reset button until

press the reset button until it clicks before re-testing

Field Versatility: Independent knobs for LO and HI limit settings allow for easy calibration to specific branch pressure requirements

providing a reliable solution for restoring peak airflow performance in Lennox and Allied Air equipment

making it a reliable choice for HVACR contractors managing high-pressure cooling loops where energy-neutral operation and consistent thermal balance are required

Resideo T834L1004 Thermostat Refrigerant press the reset button untilThe Resideo T834L1004 is a standard grade mercury free economy thermostat engineered for 20 30 Vac cooling only systems. Designed for vertical mounting, this unit features a reliable bimetal sensor element and an SPST switching action to provide consistent 2 degree accuracy across a 45 95F temperature setting range. It is compatible with conventional systems and single stage heat pumps that do not require auxiliary heat. The manual changeover