Ruskin TS150 Firestat R-407A but it is recommended to

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

Its adjustable temperature range and rugged construction make it the standard choice for maintaining optimal HVAC thermal management in residential and commercial hydronic loops

While it can be wired for single-circuit use

Versatile Integration: Standard 3/4 inch NPT connections and a compact footprint allow for easy installation in tight HVACR equipment

It is designed for intermittent pilot ignition systems

Ruskin TS150 Firestat R-407A but it is recommended toThe 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