Pentair Water MiniMax NT TSI Heater Retrofit Kit (P/N 472449) for Ignition Module from P/N 472240 to P/N 472150 Installation Instructions

About this manual

This document provides installation instructions for the Pentair MiniMax NT TSI Heater Retrofit Kit, part number 472449. The kit is designed to replace Ignition Modules with part numbers ranging from 472240 to 472150. Installation must be performed by a professional service technician qualified in pool/spa heater installation and maintenance to prevent fire, explosion, or injury.

The guide details the step-by-step process for removing the old ignition module and associated wiring from the heater's PCB and air pressure switch. It specifies the removal of specific wires (4-wire connector P11, Gray wire from J2, Orange wire from J1, and others) and the installation of new wiring harnesses (P/N 472148 & 472149) and a new wiring diagram label (P/N 472153).

What's inside

• IMPORTANT SAFETY INSTRUCTIONS
• INSTALLATION
• Wiring Removal
• New Wiring Harness Installation
• Door Reattachment

Frequently asked questions

Which Ignition Modules is this retrofit kit compatible with?

This kit is designed for replacement of Ignition Modules ranging from part number 472240 to part number 472150.

What specific wires must be disconnected from the Air Pressure Switch?

You must disconnect the orange wire on the COM terminal and the gray wire on the NO terminal.

How many new wiring harnesses are required for this installation?

The procedure requires installing two new wiring harnesses, part numbers 472148 and 472149.