The Spence E-3/4 is a 3/4 inch pilot-operated pressure regulator designed for high-performance steam service

Optimized Compatibility: Designed as a direct OEM replacement part for all Illinois 1G and 6G radiator traps

eventually entering a safety lockout if ignition fails

AP) and Pennant (PNCH

It replaces part numbers 100060-08

Ruskin TS150 Firestat 321894-709 The Spence E-3/4 is aThe 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