Waterway Plastics Bath Check Valve, 1", with Flapper | 670-1100 Spa Heater Parts or losing integrity where water

or losing integrity where water enters or exits the exchanger

designed to blend with most pool interiors

flow regulation suffers and heater performance can become inconsistent

or the pilot is weak and inconsistent during startup

Hammered Copper Construction: Adds a touch of elegance while ensuring durability and resistance to the elements

Waterway Plastics Bath Check Valve, 1", with Flapper | 670-1100 Spa Heater Parts or losing integrity where waterWaterway Plastics 670 1100 Check Valve Bath Waterway Plastics Check Valve Bath Waterway Plastics 670 1100 is a bath check valve with a 1 in connection and a flapper. It provides backflow protection in pool and spa circulation lines. In practice, it helps maintain unidirectional flow through the system by preventing reverse flow through the valve body. This description is written for technicians and serious buyers planning a replacement or retrofit.