Tankless water heaters most efficient...

Paloma RV, mobile, boat instantaneous tankless water heaters RV water heaters

RV tankless heaters need to be compact and efficient

RV Water Heaters like any other type water heating system need to be efficient. In terms of RV water heaters there is normally one other prime requirement and that is for space conservation. It does go without saying that RV safety is also a prime considerationclick for best water heaters for RV's Paloma Industries in California is a sister company ofRheem Manufacturing also suppliers of hot water heaters.

Paloma Tankless, Instantaneous Gas Water Heaters introduce themselves as follows on their web site ...

Long before the energy crisis, Paloma was pioneering a more efficient tankless hot water system. Even though the energy crisis has been somewhat quieted down, homeowners and businesses alike are still interested in saving money and energy.

Haven't you ever experienced the inconvenience of a tank type storage water heater running out of hot water when you needed more?

Paloma can provide the luxury of continuous and instantaneous hot water while saving on your gas bill. Wall mounted Paloma tankless water heaters will save you twice the installation space and a lot of time waiting for another tankful of water to heat up while burning up energy and your hard earned money. You'll enjoy a lifetime of hot water --- shower after shower after shower.

We are proud to say that Paloma is the first water heater of its type to be design certified by the American Gas Association, which assures the buyer of quality, durability and safety.

WATER FLOW RATE AND TEMPERATURE RISE Paloma Models
  Temperature Adjusting Knob
Warm12345Hot
PH-6DWater flow (gpm)21.81.510.80.70.6
Max. Temp. rise (F)3539477088102117
  WarmHot
PH-12MDWater flow (gpm).79 1.5960 100.48 1.43 1.59
Max. Temp. rise (F)60100      90
PH-24MDWater flow (gpm).87 3.1760 100.52 2.85 3.17
Max. Temp. rise (F)60100      

Paloma HotTankless Water Heaters Specifications from web site
  PH-6DPPH-6DNPH-12M-DPPH-12M-DNPH-24M-DPPH-24M-DN
Type of gas PropaneNatural GasPropaneNatural GasPropaneNatural Gas
Rated input Btu/Hr Full43,80043,80089,30089,300178,500178,500
Hot water output Burner1 stagePH-12M-DPH-24M-D
degree riseStageFullMin.FullMin.Full
(U.S. gal/min.) Selection
 50F rise1.40.79 0.87 
 70F rise10.68 0.75 
 100F rise0.70.59 0.65 
 0.531.590.583.17
 0.481.430.522.85
First hour ratingGallons46105215
Energy factor 0.710.650.63
Max. gas pressureInch W.C.147147147
Water pressure required: Optimum pressure, 40-60 psi. Well water system, recommended 40-60 psi with pressure tank.
Hot Water System feature variablesTankless hot water system featuresStorage tank hot water system features
Energy costLower cost ... reduced energy lossesHigher losses ... higher energy usage
Unit sizeMuch smaller than hot water storage tankLarge compared to tankless hot water heater
Installation costSmall compared to storage tank heater in new structures but higher in retrofitMore complex to install in new structures
Installation spaceCompact unit .. saves space taken up by storage tank hot water heater which can be used as closet for exampleBulky heater and tank system with difficult access normally
CapacityWhen large quantities are required simultaneously flow can reduce or temperature of water is reducedNormally depending on size of tank capacity is higher for simultaneous use