Common Questions Is the 72L34 compatible with my older R-22 air handler

providing reliable switching and operation in HVACR systems and industrial environments

Can I install this without removing the actuator

as this bypasses critical safety thresholds designed to prevent heat exchanger failure

it can be used in applications requiring double-pole operation for extra safety or single-pole setups depending on wiring requirements

Johnson Controls A19ANC-1 Temperature Control 30067439-890 Common Questions Is the 72L34The Johnson Controls A19ANC 1 is a robust remote bulb temperature control designed for demanding HVACR applications requiring a 0F to 150F setpoint range. Built with a SPDT switch action, this mechanical thermostat allows for versatile heating or cooling control with a 5F fixed differential, ensuring precise cycling without premature equipment wear. The unit features a 10 foot capillary lead and a 3 10" x 2 1 2" sensing bulb, providing flexibility for