Key Benefits Universal Compatibility: Serves as a direct technical match for Alco

How do I know if it needs replacement

As a direct OEM replacement contactor

OEM Dimensional Accuracy: Guarantees a direct fit for 1" shaft diameters without the need for shimming or aggressive shaft modification

Enhanced Durability: Resists kinking and chemical degradation from the acidic nature of high-efficiency furnace condensate

Watts 0888168 Total Kit 321894-709 Key Benefits Universal Compatibility: ServesMaintain peak performance of your backflow prevention systems with the Watts 0888168 Total Kit. Designed specifically for 3 4" Series 919 and LF919 Reduced Pressure Zone Assemblies, this comprehensive field repair solution replaces all aging internal components to resolve common discharge issues. Stop waste at the relief valve vent by refreshing the first and second check modules, ensuring tight shut off and proper pressure differential. As a Reduced