Continue shopping “Pentair ETI400 Heat Pump Fan Control Board 475978” has been added to your cart. Product Price Quantity Total × Pentair ETI400 Heat Pump Stack Flue Sensor 475601 $57.99 Pentair ETI400 Heat Pump Stack Flue Sensor 475601 quantity $57.99 × Pentair ETI400 Heat Pump Water Bypass Assembly 475621 $37.99 Pentair ETI400 Heat Pump Water Bypass Assembly 475621 quantity $37.99 × Pentair ETI400 Heat Pump Ignition Control Module 475976 $198.99 Pentair ETI400 Heat Pump Ignition Control Module 475976 quantity $198.99 × Jandy LX LT Heater Header Coupling Tail Piece Union O-Ring R0337600 - 2 Pack $7.99 Jandy LX LT Heater Header Coupling Tail Piece Union O-Ring R0337600 - 2 Pack quantity $7.99 × Pentair ETI400 Heat Pump Fan Control Board 475978 $119.99 Pentair ETI400 Heat Pump Fan Control Board 475978 quantity $119.99 Cart totals Subtotal $422.95 Total $422.95 Proceed to checkout — OR — Coupon: