Overview — PrecisionTemp TwinTemp Junior Natural Gas Tankless Water Heater
One heating zone with up to six blowers. Whisper quiet operation and no diesel smell.
- On-Demand Hot Water & Hydronic Heat
- Designed specifically for RVs, Buses, Tiny Houses, Barns, and more
- Whisper-quiet operation and no diesel smell
- Dimensions 20.5” wide x 16” deep X 14”high
- Weight 65 pounds
- No pilot light and 35% higher efficiency
- Fully certified to ANSI Z21.10.3/CSA 4.3 standard
- 55,000 BTU burner and one 1,500 watt electric element and one heating zone
- No sidewall penetration Lighter, compact design that saves space and gas usage
Resources — PrecisionTemp TwinTemp Junior Natural Gas Tankless Water Heater
Documents — PrecisionTemp TwinTemp Junior Natural Gas Tankless Water Heater
🛠Installation ManualVideos — PrecisionTemp TwinTemp Junior Natural Gas Tankless Water Heater
🎥 Precision Temp InstallationWarranty — PrecisionTemp TwinTemp Junior Natural Gas Tankless Water Heater
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Features — PrecisionTemp TwinTemp Junior Natural Gas Tankless Water Heater
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Unlike diesel-only tankless water and hydronic heaters, the TwinTemp runs on natural gas and can be used in all motorhomes, fifth wheels, horse trailers and towables.
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Dual-Source Unlimited Heat
With a 55,000 BTU natural gas burner—the highest hot water output in the industry—and a 1500-watt electric element, the TwinTemp Junior delivers on-demand, continuous hot water and hydronic space heating.
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More Hot Water and Heat. Less Natural Gas.
With higher efficiency and 60,000 BTUs, the TwinTemp Junior produces more hot water than traditional water heaters.
Specs — PrecisionTemp TwinTemp Junior Natural Gas Tankless Water Heater
| Type | Gas instantaneous, power vent water / space heater.Full gas modulation temperature control.Certified to UL 307A & ANSI Z21.10.3 |
| Dimensions | 20.5″ Wide x 16″ Deep x 14″ High. |
| Weight | 101 pounds |
| Hook-ups | Gas, brass 3/8″ flare.Water and heating lines 1/2″ FTP brass.DC Electric, 12-2×2′ lead . 110VAC – 14-3 SJO plug |
| Capacity | Gas 55,000 BTUs input – 44,500 BTUs output @ maximum burn at 8.5 WCI manifold pressure.15,000 BTUs input – 12,500 BTUs output @ low burn at 1.2 WCI manifold pressure (88° F temperature rise / gallon / minute continuous flow at high burn).1-1500Watt/5100 BTU-110 Volt element |
| Gas Train | Burner: 12 element high primary air, atmospheric type with stainless steel construction.Orifices: Brass # 71 x 12.Gas Valve. Redundant solenoid with integral regulator. |
| Water Assembly | Heat exchangers: solid copper, Hook- ups, 1/2″ OD copper tubes.Water line – brazed hard copper.PRV: Approved set @ 25 PSI.Optional: Engine Assist and Hot Tap Dispenser. |
| Venting | Power vent, proofing, terminating to 2” exhaust through floor of vehicle. |
| Construction | Powder coat aluminum case.Modular – 3 assemblies – gas, electronics and water.Case & flue assembly are 18 gauge welded stainless steel.Component access is through front access panel. |
| Fuel | Natural Gas at 11 WCI Power: 12 VDC at 4.5 Amp full operation. (Operating range 10.5 – 15 VDC) |
| Flue Gas Temperature | Under 300° F |
| Water Temperature | Potable water is tempered and temperature can be field adjusted for 100-145 degrees F.HotTap: Minimum 180° F. |
| Mounting | Flange mounts that screw to coach floor.Must be mounted in accordance with local codes or in absence of local codes: Manufactured Home Standard, Title 24 CFR, Part 3280 or Recreational Vehicle Standard ANSI A 119.2/NFPA501C |
| Safety Features | Pilotless.Flame rectification.Gas valve shuts off in .8 second if there is a flame outage.Redundant gas solenoid.Electronic high temperature shut-off (two).ECO high temperature shut off at 212°F with auto reset.Pressure relief valve @ 25 PSI.Power vent with proofing. |
| Disclaimer | Due to continuous product improvement, PrecisionTemp reserves the right to change specifications at any time. |