Propane tankless heaters that fit a 6 or 10 gallon cutout with the right door. They draw 12 V power for the fan and controls, so check the amp figure when it is published. Several budget brands sell near-identical hardware under different names.
Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Full ranking 19
- APUS 68,000 BTU RV Tankless#1 of 19Full review
A tankless heater rated 68,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $299.99$299.9968,000 BTU3.9 GPMPropane - Camplux RE264BN 65,000 BTU#2 of 19Full review
A tankless heater rated 65,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $349.99$349.9965,000 BTU3.9 GPMPropane - RVPart Pro GT60A 60,000 BTU#3 of 19Full review
A tankless heater rated 60,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $259.99$259.9960,000 BTU3.5 GPMPropane - KingRVer Summit XT 65,000 BTU#4 of 19Full review
A tankless heater rated 65,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $399.99$399.9965,000 BTU3.8 GPMPropane - Ranein RA65LH 65,000 BTU#5 of 19Full review
A tankless heater rated 65,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $449$44965,000 BTU3.9 GPMPropane - VEVOR 55,000 BTU RV Tankless#6 of 19Full review
A tankless heater rated 55,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $214.12$214.1255,000 BTU-Propane - VEVOR 65,000 BTU RV Tankless#7 of 19Full review
A tankless heater rated 65,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $259.90$259.9065,000 BTU-Propane - ORBEK HRU-RG060-A1 60,000 BTU#8 of 19Full review
A tankless heater rated 60,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $249.99$249.9960,000 BTU-Propane - VEVOR 42,000 BTU RV Tankless#9 of 19Full review
A tankless heater rated 42,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $229.90$229.9042,000 BTU-Propane - Fogatti InstaShower Ultra (FS10B1SGD)#10 of 19Full review
A tankless heater rated 66,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $799.99$799.9966,000 BTU3.9 GPMPropane - Fogatti InstaShower 9 Pro (FS10B1S)#11 of 19Full review
A tankless heater rated 66,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $739.99$739.9966,000 BTU3.6 GPMPropane - Suburban ST-60#12 of 19Full review
A tankless heater rated 60,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $456.75$456.7560,000 BTU-Propane - RecPro 18 in 60,000 BTU Tankless#13 of 19Full review
A tankless heater rated 60,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $499.95$499.9560,000 BTU-Propane - Suburban ST-42 (5481A)#14 of 19Full review
A tankless heater rated 42,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $404.99$404.9942,000 BTU-Propane - Fogatti InstaShower 8 Plus (FS08B1SBD)#15 of 19Full review
A tankless heater rated 55,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $519.99$519.9955,000 BTU2.9 GPMPropane - Fogatti InstaShower 8 Pro (FS09C1SBD)#16 of 19Full review
A tankless heater rated 60,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $599.99$599.9960,000 BTU2.9 GPMPropane - Fogatti InstaShower 7 (FS07B1S)#17 of 19Full review
A tankless heater for endless hot water in an RV that has the cutout for it.
Amazon $399.93$399.93-2.5 GPMPropane - Girard 2GWHAM 42,000 BTU#18 of 19Full review
A tankless heater rated 42,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $634.61$634.6142,000 BTU-Propane - Furrion FWH09AFA-AM 60,000 BTU#19 of 19Full review
A tankless heater rated 60,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $625$62560,000 BTU2.4 GPMPropane
