Johnson Controls A19AAF-12 Temperature Control 30067439-890 High Compatibility: Validated for use

High Compatibility: Validated for use across multiple Re-Verber-Ray heater lines including the LS

Which furnace models use the 661045R orifice

and RHH models

depending on specific pressure drop requirements

Specifically designed for use with high-capacity Reznor UDAP

Johnson Controls A19AAF-12 Temperature Control 30067439-890 High Compatibility: Validated for useThe Johnson Controls A19AAF 12 is a robust mechanical temperature control engineered for high performance heating and general purpose HVACR applications. Built with a single pole double throw (SPDT) switch configuration, this remote bulb controller delivers precise temperature regulation across a broad 25 to 225? F setpoint range. The unit features an automatic reset mechanism and a 3. 5? F fixed differential, ensuring consistent cycling and system