Designed for industrial gas-fired heaters

zinc-plated housing houses a silicone diaphragm and a snap-acting SPST-NC switch

Common Questions: Is the 0887297 kit compatible with Lead-Free models

it ensures precise thermostat wiring compatibility and maintains the original factory specifications for data transmission between the sensing device and the controller

this unit provides standard mounting footprints for a streamlined installation while maintaining the structural integrity of the electrical control box

Emerson Alco 056818 Expansion Valve 30067439-890 Designed for industrial gas-fired heatersThe Emerson Alco 056818 Expansion Valve (Model HFES 8 HCA) is a high capacity, balanced ported valve engineered specifically for demand heavy refrigeration, air conditioning, and heat pump applications. This externally equalized thermal expansion valve provides 8 tons of nominal capacity and is optimized for R22 and R407C refrigerants. Its balanced port design ensures consistent superheat control by compensating for changes in head pressure, making it