this manual reset spill switch prevents the boiler from cycling under dangerous conditions

engineered to open the electrical circuit if internal temperatures exceed 93°C (200°F)

making it suitable for specific HVAC automation solutions where fail-safe positioning to zero is not required

Industrial-Grade Durability: Engineered to handle the vibrations and temperature extremes found in Carrier 30GT air-cooled chillers

replacing the 37C73U-652 and 186300-000 models

Utica-Dunkirk PB-011.04 Pilot Assembly 328140-751 this manual reset spill switchThe Utica Dunkirk PB 011. 04 Pilot Assembly is a critical OEM replacement component engineered specifically for Liquid Propane (LP) boiler configurations. Designed for compatibility with Utica and Dunkirk residential and light commercial heating units, this LP pilot assembly ensures a precise fuel to air ratio for consistent ignition of the main burner. As a veteran grade HVAC replacement part, the PB 011. 04 features a durable pilot hood and