What refrigerant should be used with this unit

This medium-duty 453H model provides 55 in-oz of torque

This unit serves as the direct replacement for HE-67N3-0N0BT

HVAC technicians frequently utilize this Williams replacement part to resolve intermittent furnace shutdowns or wiring degradation in models such as the 5008631

Optimized for LP Gas: Engineered to handle the specific combustion characteristics of liquid propane systems

Burnham Boiler 105892-01 Flow Switch 340155-7024 What refrigerant should be usedThe Burnham Boiler 105892 01 Flow Switch is a critical safety component designed for precise fluid flow monitoring within commercial and residential hydronic heating systems. This OEM replacement flow switch ensures the burner only fires when adequate circulation is detected, preventing dry fire conditions and heat exchanger damage. This repair kit flow switch is engineered with a durable paddle mechanism capable of responding to low velocity liquid