Honeywell NBG-12LX Pull Station 321142-301 As a high-capacity 11-ton expansion

As a high-capacity 11-ton expansion valve

this 1/2 inch NPT water valve modulates flow based on refrigerant pressure

making it a standard choice for VAV terminal unit applications and zone control where precision is required without the need for a fail-safe position

a steady on indicates internal failure

Direct OEM Replacement: Matches exact physical specifications for 115V York heating and cooling applications

Honeywell NBG-12LX Pull Station 321142-301 As a high-capacity 11-ton expansionThe Honeywell NBG 12LX Pull Station is a specialized addressable manual pull station designed for integration with intelligent fire alarm control panels. This dual action station requires a "push in" and "pull down" motion, effectively mitigating accidental activation and nuisance alarms. It operates on a 24 Vdc nominal signaling line circuit (SLC) and is engineered for precise point of identification signaling. This model is natively compatible with