Continue shopping “Pentair ETI400 Heat Pump Stack Flue Sensor 475601” has been added to your cart. Product Price Quantity Total × Pentair ETI400 Heat Pump Membrane Pad 475984 $69.99 Pentair ETI400 Heat Pump Membrane Pad 475984 quantity $139.98 × Swimming Pool Dual Action Hand Pump for Inflatables 9096 $44.99 Swimming Pool Dual Action Hand Pump for Inflatables 9096 quantity $44.99 × 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 × Pentair ETI400 Heat Pump Stack Flue Sensor 475601 $57.99 Pentair ETI400 Heat Pump Stack Flue Sensor 475601 quantity $57.99 Cart totals Subtotal $295.95 Total $295.95 Proceed to checkout — OR — Coupon: