← All tankless water heaters
Photo: Navien 
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) 
Navien · Model NPE-240A2
NPE-240A2 Condensing
Best-selling condensing tankless with ComfortFlow recirculation.
Specs & features
- 11.2 GPM flow rate
- Natural gas
- UEF 0.96
- 15-year manufacturer warranty
- Covered by A1 Lifetime Service membership
Best for: new homes & older homes
Similar tankless water heaters
Rheemtankless
Performance Platinum 11 GPM Tankless
11 GPM · gas · UEF 0.93
Up to $300 rebate
$1,299$1,599
Bradford Whitetankless
Infiniti K Tankless
9.5 GPM · gas · UEF 0.95
Up to $300 rebate
$1,449$1,749
A.O. Smithtankless
Adapt Tankless 199K
10 GPM · gas · UEF 0.96
Up to $300 rebate
$1,399$1,699
Rinnaitankless
SENSEI RX199 Condensing
11 GPM · gas · UEF 0.93
Up to $300 rebate
$1,599$1,899