The Robertshaw 780-787 Ignition Module is a professional-grade Hot Surface Ignition (HSI) Control engineered for high-reliability performance in gas-fired heating systems

offering superior durability against the rapid thermal expansion cycles common in residential heating applications

sharing the same technical specifications and robust build quality

For most high-humidity environments

Zero Minimum Pressure: The pilot operated design allows for reliable operation even at 0 PSI inlet pressure

Belimo B220+LF120 Valve Assembly Freon The Robertshaw 780-787 Ignition ModuleThe Belimo B220+LF120 Valve Assembly is a high performance hydronic solution combining a 3 4" 2 way Characterized Control Valve (CCV) with a robust LF120 spring return actuator. Engineered for demanding HVAC applications, this NPT valve assembly features stainless steel trim and a Cv rating of 14, making it ideal for the precise regulation of chilled or hot water in air handling units and fan coil systems. The integrated 120Vac on off control actuator