Description
Browning AK79X3 4 Sheave 318518 761 The Watts 0887171 (Model RK The Watts 0887171 (Model RK 188 288 388 T) is a heavy duty 1 2 inch vacuum breaker repair kit engineered to restore the integrity of backflow prevention assemblies in commercial and industrial plumbing systems Restoring the proper exhaust ventilation draft is vital for preventing system lockouts and maintaining the operational integrity of the primary heat exchanger in demanding heating environments