Sporlan 108631 SBFV-A-C Expansion Valve 30067439-890 replacing a fouled or drifting

replacing a fouled or drifting limit switch is a standard protocol to restore safe furnace ignition sequences

While the 24V coil accepts both AC and DC

addressing common issues such as uneven flame distribution or soot accumulation

Will this power a smart thermostat on an older Reznor unit

it is fully compatible with high-volume output models like the T-4002

Sporlan 108631 SBFV-A-C Expansion Valve 30067439-890 replacing a fouled or driftingThe Sporlan 108631 SBFV A C is a high performance balanced port expansion valve engineered for precision refrigerant metering in systems with fluctuating head pressures and varying loads. Designed specifically for R22, R407A, and R407C applications, this Type SBF valve features a durable brass bar body with 3 8" x 1 2" ODF solder connections and a 30 inch capillary tube. The balanced port construction ensures stable superheat control by neutralizing