Common Questions: Which heater models use this switch

or changeover switch

Common Questions Is the Ranco O60-200 suitable for both heating and cooling

When troubleshooting a furnace blower that won't shut off or a unit that is short cycling

providing stable pneumatic signal diverting for VAV systems and terminal unit control

Robertshaw 4500-001 Thermostat Kit Refrigerant Common Questions: Which heater modelsThe Robertshaw 4500 001 Thermostat Kit is a professional grade, universal solution designed for a "one call" field replacement of most BJ and BJWA series mechanical gas thermostats. Engineered for reliability in domestic range and oven applications, this 250 550F Robertshaw thermostat provides high accuracy thermal regulation across a wide temperature spectrum. The kit features a 48 inch capillary and a 3 16 inch x 3 7 8 inch copper bulb, ensuring