“SPX4000Z1 NorthStar EcoStar VS Hayward Pump Union / Diffuser O-ring” has been added to your cart. Continue shopping Product Price Quantity Total × 650761 Raypak Heater Toggle Switch SPST 3A 6A BLK $18.27 650761 Raypak Heater Toggle Switch SPST 3A 6A BLK quantity $18.27 × SPX4000Z1 NorthStar EcoStar VS Hayward Pump Union / Diffuser O-ring $5.02 SPX4000Z1 NorthStar EcoStar VS Hayward Pump Union / Diffuser O-ring quantity $5.02 Cart totals Subtotal $23.29 Shipping Shipping costs will be calculated once you have provided your address. Total $23.29 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update