Continue shopping “Pentair ETI400 Heat Pump Fan Control Board 475978” has been added to your cart. Product Price Quantity Total × Pentair ETI400 Heat Pump Spark Ignition Electrodes 476081Z $104.99 Pentair ETI400 Heat Pump Spark Ignition Electrodes 476081Z quantity $104.99 × Pentair ETI400 Heat Pump Automatic Gas Shut-Off Switch AGS 150F 475985 $52.99 Pentair ETI400 Heat Pump Automatic Gas Shut-Off Switch AGS 150F 475985 quantity $52.99 × Clearview Sodium Carbonate pH Up Soda Ash 5lb. CVSA005 $21.99 Clearview Sodium Carbonate pH Up Soda Ash 5lb. CVSA005 quantity $65.97 × Pentair ETI400 Heat Pump Control Board PCB 475975 $129.99 Pentair ETI400 Heat Pump Control Board PCB 475975 quantity $129.99 × Clearview Sodium Carbonate pH Up Soda Ash 50lb. GNSA050 $109.99 Clearview Sodium Carbonate pH Up Soda Ash 50lb. GNSA050 quantity $109.99 × Pentair ETI400 Heat Pump Membrane Pad 475984 $69.99 Pentair ETI400 Heat Pump Membrane Pad 475984 quantity $69.99 × Pentair ETI400 Heat Pump Fan Control Board 475978 $119.99 Pentair ETI400 Heat Pump Fan Control Board 475978 quantity $119.99 Cart totals Subtotal $653.91 Total $653.91 Proceed to checkout — OR — Coupon: