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PrecisionTemp

PrecisionTemp RV-550 EC Wall Vented Tankless Water Heater

PrecisionTemp RV-550 EC Wall Vented Tankless Water Heater

PrecisionTemp

PrecisionTemp RV-550 EC Wall Vented Tankless Water Heater

Product Code: VTS-840

193215¥193,215

Summary

  • Endless hot water, on-demand

  • Designed specifically for travel trailers, motorhomes, tiny houses, cabins, and more

  • Conveniently installs and vents through the sidewall

  • Takes up half the space and weighs one third as much as a 10 gallon tank

  • No pilot light and very high efficiency

  • Straightforward installation

  • Reliable, proven VariFlame technology control system

 

precisiontemp1.png   Hot Water for Your Trailer in Any Season

The PrecisionTemp RV-550 NSP EC tankless water heater utilizes PrecisionTemp's patented VariFlame Control technology to deliver an endless flow of hot water for the ultimate in pampering for you and your family while on the road or at home. No more waiting for a small water tank to refill and no more quick, cold showers.  Whether you're just one person or a whole family, endless hot water is available for your enjoyment.

 

precisiontemp4.png    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 true on-demand, continuous hot water. 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 incoming water temperature or the rate of flow you have determined.

 

precisiontemp5.png    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. Without a tank to keep warm and continually reheat, many people report they use up to 50% less propane.  Vintage trailer owners love few fill-ups and lower costs.

 

Installation Instructions for the PrecisionTemp RV-550 EC

 

Type:

Tankless propane-fired water heater with full gas modulation. Power-vented through the sidewall with cold weather protection.

Dimensions:

13.5″ wide x 13.5″ deep x 14.25″ high

Weight:

32 pounds

Output:

44 BTUs per hour

Venting:

Power-vented through the exterior access door.

Construction:

Galvanized case with perforated mounting flanges for original equipment or aftermarket sidewall penetration.
Access door is painted aluminum.
Head exchanger: Solid copper. Gas train: Stainless steel.

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.

 



Frequently Asked Questions:

Q.  Will the RV-550 EC fit in the hole of my old tank water heater?
A.  It is designed to fit or cover up most holes, but you should measure and think about whether you have any wall curvatures that may create issues.  The cutout dimensions are 14.5" high x 13.5" wide x 13.5" deep.  Mounting flanges are 17" x 17-5/8".
 
Q.  What color doors can I choose from?
A.  White aluminum or unpainted aluminum doors are available.  Unpainted doors are not polished.
 
Q.  What does EC stand for?
A.  Electronic control.   Not only does the EC control temperature by monitoring water flow, but it also looks at temperature variations and the computer quickly makes updates.  It improves the performance, especially in marginal water flow situations, resulting in better performance all the way around. 
 
Q. Does the heat output modulate?
A. Yes, the water heater modulates based on water flow. With less water passing through it, the flame will be smaller so as not to overheat the water. You will mix hot and cold at the shower just like at home. The maximum temperature rise will be 88 degrees above the temperature of the incoming water. This can be achieved at 1 GPM. At 1.5 GPM, it can raise the temperature by 66 degrees.

Q. How warm will my shower be?
A. A typical shower in an RV or tiny home has a maximum flow rate of 1.5 GPM. Standard shower temperature is 105 degrees. The heater can warm 1.5 GPM flow by up to 66 degrees. So as long as your incoming water is at least 39 degrees, you'll achieve that 105 degrees at the flow of 1.5 GPM.

Q. What is the minimum temperature possible?
A. 33 degrees. Lower than that is ice.

Q. How many gallons per minute can the water heater output?
A. There is no maximum output.

Q. Does the water heater need minimum water pressure?
A. No minimum water pressure is required. But it does need a gallon of water to fill the heater before it will start. If the water is not moving or is not in the heater, it stops heating.

Q. How do I winterize the RV-550 EC? 
A.  Simply drain the water heater by blowing it out with air or running non-toxic antifreeze through it while winterizing the rest of your travel trailer. It requires only about 1 cup of antifreeze. 
 
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  • PrecisionTemp water heaters ship to the contiguous 48 United States for $47.

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