KYJIANY SP20172 Flammable Vapor Sensor Kit – AP13447-3 (25VS) FVIR Replacement for Rheem, Ruud & Richmond

Upgrade your FVIR safety with a reliable, easy-to-install sensor kit

The KYJIANY SP20172 Flammable Vapor Sensor Kit offers a practical safety upgrade for FVIR gas water heaters. The sensor cap sits securely over the sensing element, and the system responds to surrounding gasoline vapors by altering its electrical resistance in relation to vapor concentration. This responsive behavior supports routine safety checks and helps keep your installation running smoothly without making guarantees about outcomes.

Key benefits at a glance

• Direct replacement for aging SP20172 and AP13447-3 (25VS) sensors, designed to restore proper operation when the original part fails
• Designed for compatibility with select Rheem, Ruud, and Richmond FVIR water heaters for residential repairs
• Complete kit includes the flammable vapor sensor, protective cap, and all necessary components—no extra parts needed
• Durable build with heat- and corrosion-resistant materials for longer service life

What you get and how it helps

This kit provides a straightforward path to reinstalling a functional vapor-sensing element in your FVIR system. If your current sensor has become unreliable, this replacement can help you regain stable operation and reduce downtime during maintenance.

Durability and simple installation

• Robust construction resists heat and corrosion, supporting reliable performance in typical home use
• Plug-in design enables quick swaps, helping minimize service time and costs
• Important compatibility note: verify model fit with your Rheem, Ruud, or Richmond FVIR water heater before purchasing

Considering this sensor kit can be a sensible option for routine safety upgrades or repairs, offering a measured approach to maintaining your gas water heater’s FVIR system. The information presented highlights possibilities aligned with maintenance goals and budget, rather than guarantees.