Jandy LX/LT Low Nox Hot Surface Ignitor | R0386900

The Jandy R0731100 4" Vent Adapter Kit provides an OEM-quality vent conversion solution for Jandy JXi and JXiQ pool heaters operating under Category III conditions. This precision kit converts the standard exhaust outlet to a 4-inch vent configuration without any structural alterations to the heater cabinet. Complete with adapter plate, high-temperature gaskets, and fasteners, it ensures proper flue sealing and optimal exhaust flow. Built from corrosion-resistant materials designed to handle high heat and combustion gases, the R0731100 maintains safe performance in both indoor and compact system layouts.

• Direct OEM Application: Designed by Jandy for JXi and JXiQ models, providing a perfect mechanical fit and maintaining certified venting integrity.

• Code-Compliant Vent Transition: Converts heater exhaust to a 4-inch Category III vent setup for safe, efficient operation in enclosed installations.

• Comprehensive Kit Components: Comes with adapter plate, fasteners, and gaskets—eliminating the need for additional vent parts or custom fabrication.

• Supports Versatile Installations: Ideal for heater relocations, retrofits, or tight equipment spaces where vent diameter adjustment is needed.

• Durable, Long-Life Construction: Made from heat-tolerant, corrosion-resistant materials that perform reliably in demanding heater exhaust environments.

•  Jandy LX Low Nox heater
•  Jandy LT Low Nox heater

Ordering the Jandy R0731100 4″ Vent Adapter Kit online? This section explains installation preparation, safety checks, and compatibility guidance for LX and LT Low Nox heaters—ideal for professionals or homeowners seeking quick delivery.

Installing the R0731100 for Online Buyers

This OEM conversion kit adapts the heater’s exhaust to a 4-inch Category III vent size. Included gaskets and hardware simplify installation while ensuring a gas-tight seal.

How to install Jandy R0731100 vent adapter kit step-by-step at home

Does R0731100 include all necessary fasteners and high-temp gaskets

Should I inspect and clean the flue collar before adapter installation

Can I buy Jandy R0731100 online with free shipping

Where to find official installation diagrams for R0731100 online

Resolving Draft or Fault Code Issues

Improper sealing or vent geometry can cause airflow faults or ignition interruptions. These FAQs help you troubleshoot after installation.

Why is my LX heater showing a vent pressure fault after install

How to check for correct vent direction and slope

What to do if condensation drips from the R0731100 adapter plate

Can strong wind or vent obstruction cause backdraft problems

Where to order replacement gaskets or hardware for R0731100 online

Online Compatibility and Ordering Information

The R0731100 kit is certified for Jandy LX and LT Low Nox heaters requiring 4-inch Category III venting. Confirm your model and fuel type before ordering to ensure proper fit and compliance.

How to confirm R0731100 fits my heater before ordering online

Is R0731100 compatible with both natural gas and propane LX/LT units

Does R0731100 ship fast with standard online delivery

What’s included when ordering Jandy R0731100 vent adapter kit online

Where to buy genuine Jandy R0731100 vent kits from authorized online sellers