the 621096R is the official updated version of the 621096 and is designed to be fully interchangeable in all compatible HVAC applications

regardless of the ambient temperature control settings

Specifically engineered for technicians servicing Reznor blower-type gas-fired unit heaters

Key Benefits: Fuel Gas Optimized: Specifically designed for safe management of fuel gas and air in industrial burner applications

Key Benefits: High-accuracy 333

IDEC Relays RH4B-UTAC120V Relay 318172-701 the 621096R is the officialThe IDEC RH4B UTAC120V is a heavy duty 4PDT power relay designed for reliable switching in high density industrial control panels. Featuring a 120V AC coil and a 10A contact capacity, this compact midget relay provides four independent poles of double throw switching in a space saving housing. The RH series is a standard amongst HVACR contractors for its silver cadmium oxide (AgCdO) contacts, which effectively minimize voltage arcing and prevent