Continue shopping “Waterway 2 in. Heater Split Nut 400-5421 400-5161” has been added to your cart. Product Price Quantity Total × Waterway 2 in. Heater Split Nut 400-5421 400-5161 $7.49 Waterway 2 in. Heater Split Nut 400-5421 400-5161 quantity $7.49 Cart totals Subtotal $7.49 Total $7.49 Proceed to checkout — OR — Coupon: