Johnson Controls A19AAC-4 Temperature Control 30067439-890 High Thermal Tolerance: Rated for

High Thermal Tolerance: Rated for hot junction temperatures up to 1500°F (816°C) to withstand continuous pilot flame exposure

When a blockage occurs in the vent pipe

Durable Teflon Diaphragm: High-performance material specifically selected to withstand the rigors of steam service and high-temperature water

the moisture indicator remains accurate and functional in systems utilizing Polyolester (POE) lubricants as well as mineral oils

Johnson Controls A19AAC-4 Temperature Control 30067439-890 High Thermal Tolerance: Rated forThe Johnson Controls A19AAC 4 is a heavy duty, mechanical temperature control engineered for precision in HVACR applications. Built with a Single Pole Double Throw (SPDT) switch, this line voltage controller acts as a versatile solution for both heating and cooling equipment setups. The unit features a setpoint range of 0 to 80? F, specifically designed for low to medium temperature monitoring where a 5 degree F fixed differential is required for