Air Xchange 18520100A Belt 326070-701 It is designed to open

It is designed to open during an over-pressure event and should never be used as a primary means of regulating system pressure or temperature

Smith 100170474 Valve is a high-performance Natural Gas T-Stat/Gas Valve engineered for precise thermal regulation and gas flow control in commercial water heating and industrial boiler systems

It does not require a manual button press to reset after the system has cooled to the 170°F threshold

The York 025-10462-000 is an OEM 350-watt cartridge heater designed for 120V electrical systems

Always verify the total Full Load Amps (FLA) of the connected motors to ensure compliance

Air Xchange 18520100A Belt 326070-701 It is designed to openThe Air Xchange 18520100A Belt is a precision engineered welded type 3L belt designed to maintain peak efficiency in advanced ventilation systems. This authentic OEM HVAC replacement part is specifically manufactured for use in Air Xchange energy recovery ventilators (ERVs) and heat recovery ventilators (HRVs), ensuring a perfect fit and reliable torque transmission. Constructed with high grade materials, this 3L fan belt features a specialized welded