this Danfoss pressure switch represents a standard for safeguarding liquid or gas lines against over-pressurization

Field technicians can rely on this genuine 5H0750310000 part to restore factory-spec performance across a wide range of BTU outputs

proportional flow adjustment based on actual room temperature

breaking both sides of the line for safer operation

It features integrated logic to regulate blower motor timing and heat element activation

Robertshaw 780-845 Ignition Module 30067439-890 this Danfoss pressure switch representsThe Robertshaw 780 845 Ignition Module is a veteran standard intermittent pilot ignition control engineered for reliability in gas fired heating systems. Designed as a versatile SP845 factory model, this 24V AC unit features solid state logic and flame rectification for precise automatic sequencing. It serves as the direct replacement for 100 00831 05 and 9004426105, effectively consolidating truck stock for service contractors. The module delivers 4