- Listed when
- A gas tankless water heater sold for liquid propane and not built for outdoor-only installation.
- Sorted by
- Input (BTU/h) (highest first)
- In the list
- The top 8 of 34 products in our catalog that meet the rule.
Rheem RTGH-95DVLP-3 199,900 BTU Propane Tankless Water Heater
199,900 BTU/h, about 5.4 GPM at a 70°F winter rise, 9.5 GPM stated maximum; propane tankless.
Rheem RTG-95DVELP-3 199,900 BTU Propane Tankless Water Heater
199,900 BTU/h, about 4.4 GPM at a 70°F winter rise, 9.5 GPM stated maximum; propane tankless.
MIZUDO WCIU-HW199A1G-LP-M1n 199,000 BTU Propane Tankless Water Heater
199,000 BTU/h, about 4.4 GPM at a 70°F winter rise, 10.3 GPM stated maximum; propane tankless.
GASLAND CE686LP 199,000 BTU Propane Tankless Water Heater
199,000 BTU/h, about 4.4 GPM at a 70°F winter rise, 7.6 GPM stated maximum; propane tankless.
Ranein RH19K-LPG 190,000 BTU Propane Tankless Water Heater
190,000 BTU/h, about 4.2 GPM at a 70°F winter rise, 8.5 GPM stated maximum; propane tankless.
Westinghouse HW180A0G-LP 180,000 BTU Propane Tankless Water Heater
180,000 BTU/h, about 4.0 GPM at a 70°F winter rise, 7.9 GPM stated maximum; propane tankless.
Rheem RTG-84XLP-3 180,000 BTU Propane Tankless Water Heater
180,000 BTU/h, about 4.0 GPM at a 70°F winter rise, 8.4 GPM stated maximum; propane tankless.
Marey GA24CSALP 170,000 BTU Propane Tankless Water Heater
170,000 BTU/h, about 3.7 GPM at a 70°F winter rise; propane tankless.
How to choose between them
Propane carries about 91,452 BTU a gallon, so a 150,000 BTU unit burns about 1.6 gallons an hour at full fire. Check that the tank, regulator and line can deliver it.
Size the flow to your fixtures the same way as for natural gas.
Rankings follow the rule and order stated above, using makers' published specifications and listed prices. How we research · Disclosure