Overview — PrecisionTemp RV-550 NSP EC Propane Tankless Water Heater
The only floor-vented, four season, tankless water heater for RVs, Trailers, Tiny Houses, Cabins, Park Models and more.
- Endless hot water. Never run out.
- Specifically for installations in RVs, Buses, Tiny Houses, Barns, and more
- Standard cold weather protection
- Vents through floor (standard) or through the top. No sidewall penetration
- Dimensions 13.5”wide X 14.25” high X 13.5” deep and weighs only 26.5 pounds
- Precise electronic VariFlame temperature control system
- No pilot light and 35% higher efficiency
- Fully certified to ANSI Z21.10.3/CSA 4.3 standards
- 55,000 BTU max input (88degrees F temperature rise/gal/minute)
- Install video below
Resources — PrecisionTemp RV-550 NSP EC Propane Tankless Water Heater
Documents — PrecisionTemp RV-550 NSP EC Propane Tankless Water Heater
🛠 Installation, Operation & Maintenance 🤖 Operating Instructions 📄 Service ManualVideos — PrecisionTemp RV-550 NSP EC Propane Tankless Water Heater
🎥 Precision Temp InstallationWarranty — PrecisionTemp RV-550 NSP EC Propane Tankless Water Heater
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Features — PrecisionTemp RV-550 NSP EC Propane Tankless Water Heater
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Hot Water for Your Home in Any Season
The PrecisionTemp RV-550 NSP EC tankless water heater utilizes our patented VariFlame Control technology to deliver an endless flow of hot water for the ultimate in pampering for you and your family.
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No Sidewall PenetrationUltimate Floor Plan Flexibility
The RV-550 NSP EC is vented through the floor and out of the home with a 2” exhaust pipe. No sidewall penetration (NSP EC) means you don’t have to cut a large opening in the wall.
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The Proof is in the POWER
With 55,000 BTUs—the highest hot water output in the industry—and built-in freeze protection, the RV-550 NSP EC delivers on-demand, continuous hot water.
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More Hot Water. Less Propane.
With higher efficiency and 55,000 BTUs, the RV-550 NSP EC produces more hot water than traditional water heaters.
Specs — PrecisionTemp RV-550 NSP EC Propane Tankless Water Heater
| Type | Tankless propane-fired water heater with full gas modulation. Vented through the floor with cold weather protection. |
| Dimensions | 13.5″ wide x 13.5″ deep x 14.25″ high |
| Weight | 26.5 pounds |
| Capacity | 55,000 BTUs max input (88°F temperature rise / gal / minute)16,000 BTUs min input (26°F temperature rise / gal / minute) |
| Venting | Through the floor by 2″ exhaust pipe, power vented. |
| Construction | Galvanized case.Head exchanger: Solid copper.Gas train: Stainless flame strips with aluminized steel bodies. |
| Fuel | Propane |
| Water Temperature | Adjustable |
| Controls | Gas modulation valve assembly initiates spark ignition and varies gas input based on water flow rate, controlling water outlet temperature. |
| Safety Features | Pilotless ignition, completely dormant until water flow is initiated.ECO high temperature limit switch.Instant flame-proofing by flame rectification.Pressure relief valve. Certified to ANSI Z21.10.3 / CSA 4.3 Standards. |
| Disclaimer | Due to continuous product improvement, PrecisionTemp reserves the right to change specifications at any time. |