Continue shopping “Pentair ETI400 Heat Pump Fan Control Board 475978” has been added to your cart. Product Price Quantity Total × Pentair ETI400 Heat Pump Fan Control Board 475978 $119.99 Pentair ETI400 Heat Pump Fan Control Board 475978 quantity $119.99 Cart totals Subtotal $119.99 Total $119.99 Proceed to checkout — OR — Coupon: