The "/U" suffix typically denotes "Universal" or retail packaging

Rugged Construction: Features high-temperature ceramic insulation to prevent electrical leakage to ground

Common Questions Is the AL-170 compatible with existing Barber Colman systems

This spring is specifically designed for use in Maxitrol RV81 and 210D series gas regulators

Lochinvar & A.O. Smith 100208504 Relay 30067439-890 The "/U" suffix typically denotesThe Lochinvar & A. O. Smith 100208504 Relay is a critical 24V control component designed for high performance integration within Copper Fin CB CW 497 747 boiler and water heater systems. As a direct OEM replacement relay, this unit is technically identical to the RLY2424 and RLY2424K, ensuring a seamless drop in fit for technicians servicing commercial heating equipment. Engineered for heavy duty HVAC system management, this 24 volt relay manages low