Jandy Pro Series 2 to 2-1/2" Swing Check Valve | 7305 C7488 also inspect your four smaller

also inspect your four smaller secondary filters (Unicel C-4401) and replace the full set together for optimal system performance

Acts as a cushion between ladder base and pool liner

Length 9 1/4" Outer Diameter 4 15/16" Top Inner Diameter 2 1/8" Bottom Inner Diameter 2 1/8" Material 3 oz

Need to startup your spa

UWF quick disconnect and an o-ring (6-505-00)

Jandy Pro Series 2 to 2-1/2" Swing Check Valve | 7305 C7488 also inspect your four smallerJandy 2" Swing Check Valve #7305 Features and Benefits: 180 degree Chemical resistant superallow spring for use with salt chlorinators and chemical dosing systems Clear lid with red seal for easy inspection Constructed of durable CPVC