not primary shut-off valves

the Belimo B318B valve is a robust choice

Comes with a natural gas orifice specifically calibrated for standing pilot applications

If the circuit is open while the furnace is cool

Key Benefits Voltage Versatility: Converts standard 120V units to operate on 220V or 240V

York S1-363-90016-702 Heat Exchanger 30067439-890 not primary shut-off valvesThe York S1 363 90016 702 Heat Exchanger is an essential OEM replacement component engineered for high efficiency thermal transfer in York gas furnaces and packaged HVAC units. This 5 tube heat exchanger assembly is constructed from heavy duty aluminized steel to resist oxidation and thermal fatigue, ensuring long term structural integrity under high demand cycles. As a veteran grade HVAC replacement part, it utilizes a precision engineered tubular