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preventing over-firing or incomplete combustion
preventing high-head pressure issues in air conditioning systems
and 1/2" bore dimensions against your existing unit's specifications to ensure a proper fit
6m chain provides ample length for complex damper door configurations
Watts 0887211 Repair Kit R-410A preventing over-firing or incomplete combustionThe Watts 0887211 Repair Kit (model RK 909 CK2 2 1 2 3) is a professional grade solution for servicing the second check valve on 2 1 2 inch and 3 inch Watts Series 909 reduced pressure zone (RPZ) backflow preventers. As a veteran preferred Watts 909 second check repair kit, this package includes a full check valve disc and spring assembly, a premium cover O ring, and plumbing grade lubricant. Designed for seamless replacement of the RK909CK2 2 1 2 3,