and 4-20 mA (requires the included 500-ohm resistor)

Using it with incompatible refrigerants can result in improper pressure drops and potential system instability

If the OFF delay on the 01-0840 sequencer fails

Durable Construction: Heavy-duty materials resist the pitch buildup and oxidation typically found in high-humidity air handlers

The Williams P323096 Fan Switch is factory-set for standard operation within Williams vented units

Siemens Building Technology 544-562-25 Sensor 318423-701 and 4-20 mA (requires theThe Siemens Building Technology 544 562 25 Sensor is a high precision liquid immersion temperature sensor engineered for demanding hydronic and commercial HVACR applications. This 4 20mA temperature transmitter features a 100 Ohm platinum RTD sensing element (Pt100), ensuring a linear and stable output across a broad operating range of 32F to 212F (0C to 100C). Designed for direct pipe mounting, the unit includes a 2. 5 inch 300 series stainless steel