Continue shopping “Pentair ETI400 Heat Pump Water Bypass Assembly 475621” has been added to your cart. Product Price Quantity Total × Pentair ETI400 Heat Pump Water Bypass Assembly 475621 $37.99 Pentair ETI400 Heat Pump Water Bypass Assembly 475621 quantity $37.99 Cart totals Subtotal $37.99 Total $37.99 Proceed to checkout — OR — Coupon: