Continue shopping “Hayward H-Series Low Nox ED2 Heater Header O-Ring HAXHOR1930” has been added to your cart. Product Price Quantity Total × 114 PoolTool T-Wrench 1/8 in. $11.89 114 PoolTool T-Wrench 1/8 in. quantity $11.89 × ORIGINAL Pentair 2 in. 263042 Check Valve Rebuild Kit 263042Z $48.88 ORIGINAL Pentair 2 in. 263042 Check Valve Rebuild Kit 263042Z quantity $48.88 × Hayward H-Series Low Nox ED2 Heater Header O-Ring HAXHOR1930 $19.99 Hayward H-Series Low Nox ED2 Heater Header O-Ring HAXHOR1930 quantity $19.99 Cart totals Subtotal $80.76 Total $80.76 Proceed to checkout — OR — Coupon: