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Common Questions: What causes this limit switch to trip repeatedly
Specifically calibrated for a 175-225F operating range
When the pilot light won't stay lit on a Heil Quaker or ICP furnace
causing the valve to fail to open under pressure
a different primary-rated transformer must be used to avoid component failure
Robertshaw 5500-287 Infinite Switch Common Questions: What causes thisThe 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