Johnson Controls A28AA-36 Temperature Control Els PW 17895 making it suitable for use

making it suitable for use in air plenums as per NEC Section 300

specifically for linkage-based installations

When diagnosing issues like excessive vibration or decreased heat exchanger efficiency

this 30 mV thermocouple generates the necessary thermal electromotive force to signal the gas valve's power unit

Johnson Controls A28AA-36 Temperature Control Els PW 17895 making it suitable for useThe Johnson Controls A28AA 36 is a heavy duty two stage temperature control engineered for precision in HVACR applications requiring staged heating or cooling. This A28 Series manual reset thermostat features two SPDT switch actions, allowing for independent circuit control over a wide voltage range of 120 208 240 277 Vac. Built with a 40 90 degree setpoint range, the unit maintains a fixed 3 degree differential for each stage, with an adjustable 2 7