The Schneider Electric 22-021 Mounting Kit (formerly Barber Colman) is a heavy-duty universal wall mounting kit engineered for securing pneumatic thermostats and legacy HVAC controllers in commercial environments

This unit requires a 208-230V single-phase power supply

ensuring seamless operation once safe temperatures are restored

This HVAC delay timer typically features a 1-second delay-on-make and a 30-second delay-on-break to coordinate multi-stage cooling and protect the system from rapid cycling

This assembly is primarily utilized in Lochinvar and A

Resideo HYDROSEP-102-U Hydraulic Separator Union 321894-709 The Schneider Electric 22-021 MountingThe Resideo HYDROSEP 102 U is a 1 inch magnetic hydraulic separator union engineered for high performance hydronic flow management. This field proven low loss header effectively de couples the primary boiler circuit from secondary distribution loops, preventing pump conflict and ensuring stable head pressure across varying load demands. Constructed with vernished FE360 steel, it features an integrated AlNiCo magnet for aggressive magnetite removal and