Lochinvar & A.O. Smith 100208514 Relay 30067439-890 The Honeywell 14004904-002 is a

The Honeywell 14004904-002 is a precision pneumatic receiver gauge designed for high-accuracy monitoring within commercial HVAC control loops

this is specifically sized as a 3/4" suction line valve

pilot orifice

This is preferred in HVACR applications where the shaft may heat up more quickly than the housing

The "/U" suffix denotes a universal SKU for distribution purposes

Lochinvar & A.O. Smith 100208514 Relay 30067439-890 The Honeywell 14004904-002 is aThe Lochinvar & A. O. Smith 100208514 Relay is a critical 24V electromagnetic control designed for precise low voltage circuit switching in commercial and residential hydronic systems. As the direct replacement for RLY2903, this OEM component ensures seamless HVACR system compatibility when interfacing between thermostat controllers and high load mechanical parts. This 24VAC relay is frequently utilized in boiler control boards and water heater wiring