Pentair Minimax NT Indoor Vent Adapter, 250-400 5in., 460507
460507 Mini-Max NT TSI Indoor Vent Adaptor, 5 in. Used on Pentair Minimax NT pool heaters. Fits LN/STD/TSI models. Fits Only 250-400 Btu sizes. For model sizes 150/200, see pn 460506 for the 4in Vent adaptor. Indoor Stacks are used when venting outside of a equipment shed, and must be installed by qualified persons following the installation manual closely. Pool heaters emit carbon monoxide and can be dangerous when installed indoors. See more Pentair NT heater venting options in our parts department.