For technicians troubleshooting a furnace pressure switch stuck open or closed

making it suitable for motor starting and heavy heating elements

the 600VAC rating is the maximum allowable voltage

or the accumulation of heavy pipe scale inside the bucket

Rapid Response Circuitry: Features high-speed switching to cut power to the contactor coil the moment a fault is detected

Schneider Electric (Erie) T201-FP Thermostat 321894-709 For technicians troubleshooting a furnaceFor contractors managing residential or light commercial heating only installations, the Schneider Electric (Erie) T201 FP Digital Thermostat offers a rugged, straightforward solution for single stage 24VAC systems. This non programmable unit is specifically engineered for high reliability environments such as boilers, unit heaters, and hydronic heating where fan control or changeover is not required. It features a broad operating temperature range of