Ruskin TS150 Firestat R-407A this 5300 series electric thermostat

this 5300 series electric thermostat provides accurate thermal sensing even in corrosive environments

Key Benefits for Technicians: Precise Resistance Matching: Calibrated to OEM specifications for accurate York defrost troubleshooting and control board communication

but it is recommended to use a high-grade silicone lubricant on gaskets to ensure a proper seal during reassembly

While it can be wired for single-circuit use

Ruskin TS150 Firestat R-407A this 5300 series electric thermostatThe Ruskin TS150 Firestat is a specialized, UL Classified heat response device engineered specifically for Ruskin fire smoke dampers used in dynamic smoke control systems. Unlike standard thermal links, the Ruskin TS150 allows for the reopening of dampers after initial heat closure, which is vital for stairwell pressurization and engineered smoke management protocols. This manual reset firestat integrates seamlessly with electric actuators, pneumatic