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Hydronic Heat — Now Without DieselUnlike 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.
In addition to the versatility of natural gas, the TwinTemp Junior NG offers greater heating efficiency, whisper-quiet operation, and safer flue gas temperatures.
Dual-Source Unlimited HeatWith a 55,000 BTU natural gas burner—the highest hot water output in the industry—and a 1500-watt electric element, the TwinTemp Junior NG delivers on-demand, continuous hot water and hydronic space heating.
The heater operates only when the hot water outlet is turned on. The VariFlame control system then keeps the water temperature constant, regardless of the flow rate or incoming water temperature.
More Hot Water and Heat. Less Natural Gas.With higher efficiency and 60,000 BTUs, the TwinTemp Junior NG produces more hot water than traditional water heaters.
With higher efficiencies, many people report that they use up to 50% less natural gas. Owners love the lower operating costs and fewer fill-ups.
| 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. |