Continue shopping “Pentair ETI400 Heat Pump Stack Flue Sensor 475601” has been added to your cart. Product Price Quantity Total × ORIGINAL Jandy R0466400 Transformer for iAqualink AquaLink Power Centers $155.55 ORIGINAL Jandy R0466400 Transformer for iAqualink AquaLink Power Centers quantity $155.55 × Pentair ETI400 Heat Pump Stack Flue Sensor 475601 $57.99 Pentair ETI400 Heat Pump Stack Flue Sensor 475601 quantity $57.99 Cart totals Subtotal $213.54 Total $213.54 Proceed to checkout — OR — Coupon: