Resideo S8701A1018 Ignition Module 318820-201 Any signs of compression set

Any signs of compression set

Can I swap this for a switch with a different temperature rating

This L280-30F 3" limit switch features a 280-degree Fahrenheit cutout and a 30-degree differential

When you're dealing with air binding in high-efficiency hydronic systems

Resideo S8701A1018 Ignition Module 318820-201 Any signs of compression setResideo S8701A1018 is an 11 second direct spark ignition (DSI) module designed for gas fired HVAC equipment including furnaces, boilers, and commercial heating systems. It controls the burner ignition sequence by providing timed spark ignition and flame sensing to confirm proper combustion. This direct spark ignition module is commonly used as a service replacement when existing ignition controls fail or become unreliable. It manages ignition timing,