Spence Engineering D10100 Pilot R-410A this specific part is designed

this specific part is designed for the SWG-8 series

this is a zero differential solenoid valve

6 Amp draw remains within nameplate specifications

The internal rubber seat poppet is designed for superior shutoff integrity

The Weil-McLain 512-200-077 Main Burner is a critical combustion component engineered for high-performance gas delivery and flame stability in hydronic heating systems

Spence Engineering D10100 Pilot R-410A this specific part is designedThe Spence Engineering D10100 Pilot is a heavy duty, cast iron pressure reducing pilot designed for industrial steam, gas, and vapor applications. Engineered for precision and longevity, this normally closed pilot features packless construction to eliminate stem leakage and reduce maintenance overhead. The D Pilot 10 100# spring range provides contractors with an adjustable downstream delivery pressure between 10 and 100 PSIG, making it a versatile