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SKU: RTG20212BE · Category: FLAME RODS

RHEEM PROTECH Flame Rod FL1 w/ Gasket RTG20212BE

Genuine OEM Flame Rod·Flame Detection Safety

$36.74

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  • Free shipping — most items ship by the next day

Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.

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SKU: RTG20212BE · Category: FLAME RODS
RHEEM PROTECH Flame Rod FL1 w/ Gasket RTG20212BE
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.

RHEEM PROTECH Flame Rod FL1 w/ Gasket RTG20212BE

Ensure reliable ignition and safe operation of your tankless water heater with the genuine Rheem PROTECH RTG20212BE Flame Rod FL1 with Gasket. This OEM replacement part is designed to detect the presence of a flame in the burner assembly. It sends a signal to the control board to confirm proper ignition and automatically shuts off the gas supply if the flame is not detected—preventing dangerous gas buildup and enhancing overall safety and efficiency.

Key Features & Specifications

  • Part Type: Flame sensor rod (FL1 electrode) with integrated gasket
  • Function: Flame rectification probe for burner flame detection
  • Material: High-temperature, corrosion-resistant construction for long-lasting durability
  • Includes: Pre-attached gasket for easy, leak-free installation
  • Warranty: 1-year limited warranty
  • Replaces: RTG20212G and previous FL1 electrodes
  • Condition: Brand new, genuine OEM part in original packaging

Compatible Brands

This flame rod is a direct replacement for water heaters from:

  • Rheem
  • Ruud
  • Friedrich
  • Richmond

It is specifically engineered for use in Rheem and Rheem-family tankless gas water heaters.

Compatible Models (Examples)

  • RTGH-84DVL-1 / RTGH-84DVL-2
  • RTGH-90DVL-1 / RTGH-90DVL-2
  • RTGH-95DVL-1 / RTGH-95DVL-2
  • RTGH-84XL-1 / RTGH-84XL-2
  • RTGH-90XL-1 / RTGH-90XL-2
  • And many other RTG / RTGH series tankless models

(Always verify compatibility with your specific water heater model number before purchase.)

Why Choose the RTG20212BE?

  • Restores proper flame sensing and prevents common error codes related to ignition or flame failure
  • Quick and straightforward installation with the included gasket
  • Factory-approved quality you can trust for optimal performance and safety in your Rheem tankless system

Perfect for homeowners and technicians looking for a reliable, exact-fit replacement to keep hot water flowing efficiently. Keep your tankless water heater running at peak performance with this essential Rheem PROTECH component.

Key features
  • Genuine OEM Flame Rod — Rheem PROTECH FL1 with gasket
  • Flame Detection Safety — signals the control board and shuts off gas if no flame is detected
  • Prevents Gas Buildup — enhances safety and efficiency
  • Multi-Brand Fit — Rheem, Ruud, Richmond and Friedrich tankless heaters

Why homeowners choose NAW

Genuine OEM parts

Every part we sell is the real thing — authorized, factory-genuine, and backed by the full manufacturer warranty.

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30-day hassle-free returns

Ordered the wrong part? Send it back within 30 days.

Help when you need it

Not sure if this is the right part? Call us at (888) 292-0874 and we’ll help you find the correct replacement.

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