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 $6.51 Waterway 2 in. Heater Split Nut 400-5421 400-5161 quantity $6.51 Cart totals Subtotal $6.51 Shipping Shipping costs will be calculated once you have provided your address. Total $6.51 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update