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Home>Water Heaters>Precision Temp Water Heaters

Precision Temp RV-500 Tankless Propane Hot Water On Demand Water Heater with Door Trailer RV Camper

Part Number Precision Temp RV-500
Precision Temp RV-500 Tankless Propane Hot Water On Demand Water Heater with Door Trailer RV Camper
Precision Temp RV-500 Tankless Propane Hot Water On Demand Water Heater with Door Trailer RV Camper
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Description
Precision Temp RV-500 Tankless Propane Hot Water On Demand Water Heater with Door Trailer RV Camper
 
This item has been discontinued by PrecisionTemp and is no longer available for purchase.  For the current replacement please click here.
 
Replacing the RV-500, The RV-550 now comes standard with Wind & Cold Weather Protection.
 
Door Included! (Please choose color)
 
Please Note: This product will be drop shipped out of Ohio.

The RV-500 delivers on demand hot water efficiently and conveniently with up to 55,000 BTU’s of power. At a flow of 1.5 gpm it can provide shower temperature water with incoming temperatures as low as 40 degrees. A 20 pound tank of propane (a barbeque-type tank) will provide approximately 940 gallons of shower temperature water.

The RV-500 is quiet and efficient. For the same amount of propane the RV-500 produces 15% to 20% more hot water. And because you are not constantly reheating a tank, many people find that they use 50% less propane.

Whatever the incoming water temperature, the patented gas modulation of the RV-500 gives you consistent water temperature.
 
Water as hot as you want it for as long as you want.
 
SPECS:
Type:
Gas instantaneous, direct vent water heater designed for recreational vehicle and mobile home use. Full gas modulation temperature control.
Dimensions:
13.5" Wide x 13.5" Deep x 14.5" High. Weight: 35 pounds.
Rough-in dimensions:
Add 1/4" to above dimensions. For retrofit, see special directions.
Clearances:
Zero clearance top, bottom and sides. 2" in back for hook-ups.
Construction:
Modular, three assemblies; gas, electronics and water.
Burner:
High primary air, 12 element, atmospheric type. Aluminized steel body with stainless flame strips
Heat Exchanger:
Copper fin tube type with wrap for cooling.
Electronics:
Plug in, works-in-a-drawer.
Case and Flue Assembly:
Galvanized with painted aluminum access door (polar white or polished aluminum; surface or flush mount).
Mounting:
One inch mounting flanges with corner pieces and door jamb included. 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
Hook-ups:
Electric: 18-2 x 2' lead.
Gas: brass 3/8" flare inside case rear or side accessible.
Water: 1/2" OD copper tubing. Brass compression to 1/2" NPT elbow can be installed or as specified.
Fuel:
Propane at 11 WCI
Capacity:
56,000 Btu input – 44,000 Btu output at maximum burn at 8.5 WCI manifold pressure.15,000 Btu input – 12,000 Btu output at low burn at 1.2 WCI manifold pressure.
(85°F temperature rise per gallon per minute continuous flow at high burn).
Fuel Consumption:
2.55 lbs per hour at maximum input. ( At 2 GPM of water, 20 lbs of propane will produce over 940 gallons of hot water).
Power:
12 VDC at 1 amp. Operating range is 9 to 15 VDC.
Flue Gas Temperatures:
Under 300°F.
Water temperature:
Factory set at 115° F. Can be field adjusted 90° to 135°F.
Leakproofing:
Case is sealed from interior of coach. Bottom is sloped to channel water out of unit.
Hook-up plumbing is gasketed.
Gas Train:
Burner is a 12 element high primary air, atmospheric type with stainless steel flame strips. Aluminum manifold with brass pressure tap. Orifices, brass # 71 x 12.
Modulating Valve:
Solid brass conduit with 3/8" NPT ends. Control is non-intrusive into gas cavity using no seals, pushrods or diaphragms. There is a 4:1 gas flow ratio controlled by a magnetic field actuating movement of a poppet in and out of a fixed orifice.
Gas Valve:
Redundant solenoid with integral two stage regulator and 1/8" NPT pressure tap.
Water Assembly:
Heat exchanger: Solid copper, fin tube type, 6 fins per inch with copper combustion chamber with 1/2 " tube wrap to cool assembly.
Hook-ups: 1/2" OD copper tubes.
Flow meter: Plastic rotary type with encapsulated magnetic rotor and Hall plate.
Clear plastic observation port.
Pressure relief valve: Approved, set @ 100PSI.
All other hardware in contact with water is brass or NSF approved composites.
Controls:
Microprocessor, controlling ignition, flame proofing, safety systems and electronic gas modulation temperature control. Control boards are mounted in a removable drawer, coated, with plug-in connectors protected with an anti-oxidant compound.
Ignition:
Direct spark type with two, 5 second ignition attempts.
Flame Proofing:
Rectification, shutting gas valve off in .8 of a second if proofing fails. Ignition and proofing is effected by a single stainless probe at the burner.
Temperature Sensors:
Three thermistors, one senses incoming water temperature (mounted on cold water line of heat exchanger), one senses temperature midway through heat exchanger (mounted in stainless probe with compression fitting on the heat exchanger), and one senses outlet temperature, (mounted to hot water outlet on the heat exchanger).
Flow Meter:
Senses rate of water flow, (mounted on inlet water pipe).
Temperature Control:
Maintained by microprocessor controlled gas modulation that delivers output water temperature within ±2°F by sensing water flow rate and three temperature inputs.
Safety Features:
The Model RV 500 is pilotless. There is no flame unless water flow is sensed.
Flame rectification: Gas valve shuts off in .8 of a second if there is a flame outage.
Redundant gas solenoid.
Electronic high temperature shut-off (two).
ECO high temperature shut off @ 165°F with manual reset.
Pressure relief valve at 100 PSI.
Direct vent with combustion chamber sealed from inside of coach.
Model RV-500
Operation: When unit is powered, the microprocessor activates the gas modulation valve and per-forms component diagnostics. A green LED will flash for normal operation, red will indi-cate a malfunction, signified by different codes. The unit will remain dormant until the rotary flow meter senses at least .4 GPM of water flow. The gas modulating valve will be set to its ignition value, the spark will be effected and the gas valve will open. Ignition will occur and the flame will be proofed.
The microprocessor now reads water flow rate, and incoming water temperature, calculates the required gas flow to maintain set temperature and sets the gas modulation valve to the proper setting. The water temperature is then monitored by the thermistors midway and at the outlet to make any minor corrections in gas flow. If there is any change in water flow or incoming water temperature, the microprocessor recalculates and makes any required adjustments.
The unit continues to produce hot water until water flow is stopped and the burner turns off.
Approvals:
Approved to test standard: ANSI Z21.10.3
Disclaimer:
Due to continuous product improvement,
PrecisionTemp reserves the right to change specifications at any time.
REV. 4/07
 
THANKS FOR LOOKING!
Product Information
Installation & Operating Instructions
Reviews Average 5 Rating of 5 in 1 Reviews
Product Reviews
Rating Tankless Heater
  Heater was easy to install. Used the heater in close to freezing temp's and it worked well. Would highly suggest the fan that helps stop the wind from interfering with the burner. Big improvement over the 6 gal. propane/electric that came with our trailer.
  Reviewed by:  Wayne Spivey from Texas. on 2/17/2012
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