Pentair 77707 1431 Propane to Natural Gas Conversion Replacement Kit Pool and Spa Heater

Confirm fuel conversion and model size

The seller lists this Pentair kit as a propane-to-natural-gas conversion item for Max-E-Therm and MasterTemp heaters in the 200 size. The listing also says it includes a 200K-BTU component.

Before ordering

• Confirm current fuel: This is described as converting from propane to natural gas; do not use it for the opposite conversion unless the listing states otherwise.
• Match heater size: Verify your heater is a model 200 in one of the named families.
• Use qualified installers: Gas conversion requires professional work; this guide does not provide DIY gas steps.

Check the existing kit part number before buying. See the Amazon product listing.