The Jandy R0731100 4″ Vent Adapter Kit offers a precise OEM-spec solution for adapting JXi and JXiQ gas pool heaters to 4-inch Category III venting. This factory-approved conversion kit ensures proper exhaust flow and alignment without modifying the heater body. Designed for professional or retrofit installations, it includes all required gaskets, mounting screws, and adapter hardware. Built from corrosion-resistant materials capable of withstanding combustion heat and acidic flue gases, the R0731100 maintains safe vent operation and long-term reliability in indoor or space-restricted environments.
Highlights
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Direct OEM Application: Designed by Jandy for the JXi and JXiQ heater series to maintain original exhaust geometry and pressure integrity.
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Compliant Vent Transition: Converts the exhaust outlet to a 4-inch Category III configuration for indoor or specialized venting setups.
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Comprehensive Kit Package: Includes adapter plate, high-temp gasket, and fasteners required for a complete, leak-free installation.
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Supports Tight Installations: Ideal for enclosed or retrofit heater placements where vent diameter adjustments are needed.
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Long-Term Reliability: Constructed from corrosion-resistant and heat-tolerant materials to perform under high exhaust temperatures.
Compatibility
- Jandy JXI heaters
Additional Info
Ordering the Jandy R0731100 4 Vent Adapter Kit online? This section outlines installation, venting best practices, and compatibility verification to help ensure a safe, compliant installation for your JXi or JXiQ heater.
Installing the R0731100 for Online Buyers
This OEM adapter converts the factory exhaust to a 4-inch vent system without modifications. It includes gaskets and hardware for a quick, secure installation.
How to install Jandy R0731100 vent adapter kit step-by-step
Does R0731100 include all gaskets and fasteners in the package
Should I inspect the vent collar for corrosion before mounting
Can I buy Jandy R0731100 kit online with free shipping
Where to find installation diagrams for R0731100 vent adapter online
Resolving Exhaust or Drafting Issues After Installation
If your heater triggers vent or pressure errors after installation, minor alignment or sealing adjustments may be required. These FAQs help correct those issues.
Why is my JXi heater faulting after adding the 4-inch vent adapter
How to reseal vent joints to prevent exhaust leakage
What to check if condensation appears at the adapter connection
Can high wind or backpressure affect Category III vent operation
Where to order replacement gaskets or adapter plates online
Online Compatibility and Ordering Information
The R0731100 is certified for use with JXi and JXiQ gas pool heaters. Confirm your model before ordering to ensure accurate fit and proper Category III vent compliance.








