This part number typically refers to the Pyrolite chamber itself

Technical Flexibility: Adjustable switching action (Opens on Drop) and a variable differential to meet specific equipment specs

Industrial Build: Rated at 1440 RPM to deliver consistent CFM across the heat exchanger

Durable Construction: Engineered to withstand the heat and vibration of furnace draft inducer housings

The Alco X-11873-B5B cage is built to maintain system stability under varying load conditions

Carrier EA02DZ517 Expansion Valve 318172-701 This part number typically refersThe Carrier EA02DZ517 Thermal Expansion Valve is a critical metering device engineered for precise refrigerant control in residential and commercial HVAC systems. This OEM Carrier TXV is the direct replacement for the obsolete EA02DZ515, ensuring a seamless drop in fit for older units without the need for extensive piping modifications. Designed specifically for R 22 refrigerant systems, it utilizes a bi metal composition and a sweat braze connection