Intermatic Timer with Two ON/OFF Settings and Large Plastic Enclosure (P1101) spabuilders A check valve is useful

A check valve is useful because it helps control one-way flow

making it one of the most important control components in the assembly

Supports small-line plumbing

Hayward SP1070 Skimmer Lid Dark Gray is a focused Hayward replacement part for maintaining compatible pool and spa equipment

Intermatic Timer with Two ON/OFF Settings and Large Plastic Enclosure (P1101) spabuilders A check valve is usefulThe Intermatic Timer with Two ON OFF Settings and Large Plastic Enclosure is designed for compatible equipment scheduling where two daily switching cycles are needed. The large plastic enclosure helps house the timer components for supported installations, while the two ON OFF setting capability provides more flexible control than a single cycle timer. Use this timer when the connected equipment needs automatic operation at two separate intervals.