Skip to content
HeaterGuides
Tankless Water Heaters

Rheem RTG20124 Flush Kit review

On this page 3 sections
  1. Why I Chose the Rheem RTG20124 Flush Kit
  2. Features and Benefits
  3. Final Thoughts

When it comes to maintaining a tankless gas water heater, having the right tools is essential. I recently purchased the Rheem RTG20124 Flush Kit for my Rheem tankless water heater, and I must say, it has made a significant difference in my maintenance routine. After comparing it to several alternatives, I found this kit to be the most effective and user-friendly option available.

Why I Chose the Rheem RTG20124 Flush Kit

Before settling on the Rheem RTG20124, I explored various flush kits on the market. Many options seemed generic and lacked the specific compatibility I needed for my Rheem unit. I considered brands like Camco and Eccotemp, but they didn’t offer the same level of assurance regarding compatibility and quality.

Rheem RTG20124 Flush Kit review: Why I Chose the Rheem RTG20124 Flush Kit

The Rheem RTG20124 is designed specifically for Rheem and Ruud tankless gas water heaters. This targeted design was a major selling point for me. I wanted a product that would ensure optimal performance without the risk of damaging my unit. Rheem’s reputation for quality and reliability also played a crucial role in my decision.

Features and Benefits

  • Complete Kit: The RTG20124 comes with everything you need to perform a thorough flush, including hoses, a pump, and a bucket. This comprehensive package eliminates the need for additional purchases.
  • Easy to Use: The instructions were clear and straightforward. I was able to set everything up in under 30 minutes. The included manual made the process even smoother.
  • Effective Cleaning: After using the kit, I noticed a significant improvement in my water heater’s performance. The flushing process removed mineral buildup, which is essential in areas with hard water.
  • Durability: The components feel robust and well-made. Unlike some cheaper alternatives I assessed, this kit seems built to last.

Comparison with Alternatives

While I looked into other brands, I found that many lacked the specific features that the Rheem RTG20124 offers. For instance, the Camco flush kit was less comprehensive and did not include a pump, which meant I would have to spend more on additional equipment. Eccotemp’s kit was compatible with multiple brands, but I worried about its effectiveness with my specific model.

Feature Rheem RTG20124 Camco Flush Kit Eccotemp Flush Kit
Compatibility Rheem/Ruud Universal Universal
Included Pump Yes No No
Setup Time 30 minutes 45 minutes 40 minutes
Durability High Medium Medium
From HeaterGuides · our own guidePopping or rumbling? Page 6 is the step-by-step flush; page 12 explains every noise.Water Heater Owner's Toolkit: the printable guide and its Excel calculatorWater Heater Owner's ToolkitFix the common faults yourself, keep it running for years, and know when a repair is money wasted.No-hot-water flowcharts, gas and electricFlush, anode, relief valve and descaling stepsRepair-or-replace calculator (Excel)$14.99 $9.99Get it for $9.99See what's inside and watch the 2-minute video →18-page printable PDF + Excel calculator · instant download · 30-day refund

Final Thoughts

Overall, the Rheem RTG20124 Flush Kit exceeded my expectations. Its targeted design, ease of use, and effective cleaning capabilities make it a standout choice for anyone with a Rheem or Ruud tankless gas water heater. I appreciated the peace of mind that came with using a product specifically designed for my unit. If you’re looking for a reliable and efficient flushing kit, I highly recommend giving this one a try. It’s an investment in the longevity and performance of your water heater, and for me, it has certainly paid off.

Joye Editor

HeaterGuides covers home heating, water heating and HVAC: how the equipment works, what it costs to run, and how to use it safely.

More in Tankless Water Heaters