For technicians troubleshooting combustion issues

Automatic Reset Logic: Eliminates manual resets by automatically closing the circuit once the system pressure rises back to 60 PSI

preventing unfiltered air bypass into the furnace blower assembly

With a temperature setpoint range of 50°F to 90°F

Common Troubleshooting Questions:

Robertshaw 5500-287 Infinite Switch For technicians troubleshooting combustion issuesThe Robertshaw 5500 287 Infinite Switch is a high performance 240V surface unit control engineered for precision temperature management in residential and commercial heating equipment. As a voltage sensing, parallel circuit regulator, this 240V infinite switch provides a controllable range of output power from 100W to 3600W, allowing for fine tuned thermal regulation of resistive loads. This specific model features a no dial design and is frequently