This SKU covers the 1188114 motor assembly

Key Benefits Universal Compatibility: Designed for seamless integration with Johnson Controls F61 flow switches and F261 series units

This specific sensor is engineered for condensing heat exchangers

and 2EE furnace models

Watts 0388800 Regulator 328140-751 This SKU covers the 1188114The Watts 0388800 S1450F is a high capacity boiler feed water pressure regulator and safety relief valve designed for professional hydronic heating installations. This dual control unit effectively manages system pressure by automatically filling the boiler and piping while maintaining consistent levels during operation. Built for durability, the valve features a robust iron and bronze body with 1 2 inch union sweat (solder) inlet and NPT threaded