← All tankless water heaters
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Representative photo · RTGH-RH11DVLN 
Representative photo · Bradford White Infiniti GS Tankless (Representative same-brand type) 
Representative photo · AO Smith ProLine XE Condensing Outdoor Tankless (ATO-540H) 
Rheem · Model RTEX-18
Electric Tankless 18kW
Point-of-use electric tankless for ADUs and small homes.
Specs & features
- 3.5 GPM flow rate
- Electric
- UEF 0.99
- 5-year manufacturer warranty
- Covered by A1 Lifetime Service membership
Best for: new homes & older homes
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