AY McDonald 203-257 Legend S-670 1-1/2 in. PVC Union Check/Ball Combo Valve Water Heater Accessories Designed to simplify installation and

Designed to simplify installation and resist clogging

PVC construction

Round front

Ultimate Protection for Both Potable and Non-Potable Markets

Solid state starting circuit - no mechanical relay coil

AY McDonald 203-257 Legend S-670 1-1/2 in. PVC Union Check/Ball Combo Valve Water Heater Accessories Designed to simplify installation andAY McDonald 203 257 Legend S 670 1 1 2 in. PVC Union Check Ball Combo Valve Brand: AY McDonald SKU: 203 257 Product Overview The AY McDonald 203 257 Legend S 670 combines a 1 1 2 in. PVC check valve and an isolation ball valve in one serviceable assembly. During normal operation, the check section allows flow in the intended direction and closes to help limit reverse movement. The attached ball valve can then isolate the check section when it needs to