Rheem Tankless Water Heater RTG-42

Provides 4.2 gallons per minute at a 45 F temperature rise; 2.4 gallons per minute at a 77 F temperature rise. (Temperature rise is based on how much the incoming water temperature must be raised to meet the desired output temperature.) Rheem Tankless Water Heater RTG-42 Uses Natural Gas or Propane/ INDOOR Continuous hot water Energy saving design Compact, space saving design Intelligent electronic controls and sensors Self diagnostic program Digital display shows temperature setting and maintenance codes Exclusive sensing burner technology Exclusive film wrap overheat limiter Built-in electric blower Indoor units use Category III stainless steel vent Indoor models supplied with a 120 Volt power cord Low NOx emissions meet SCAQMD rule 1146 requirements Optional additional remote controls are available. 10-Year Limited Warranty on Heat Exchanger 3-Year Limited Warranty on Parts Proper gas pressure must be ensured to supply tankless gas water heaters, up to 118,000 BTU for RTG-42 models and up to 199,900 BTU for RTG-74 models. (Consult your gas supplier) * For installations above 3,280 feet a high altitude chip is required (RTG42 High Altitude Chip) * If the water heater is installed anywhere other than a single family dwelling, such as a commercial application, or in any system in which the water is recirculated, the applicable warranty periods will be limited to three (3) years.

Free Shipping on Rheem Tankless Water Heaters Continental USA

RTG - 42PVP Pronto ! Indoor Rheem Tankless 4.2 gallon Water Heater Propane	ON SALE
RTG - 42PVN  Pronto ! Indoor Rheem Tankless 4.2 gallon Water Heater Natural Gas	ON SALE

Specs

DESCRIPTION			FEATURES			ROUGHING IN DIMENSIONS (shown in inches)
Model #	Gas Input BTU/Hr.	Type	Temp. Range*	GPM @ 77 Rise Max.	GPM @ 45 Rise Max.	Water Conn.	Gas Conn.	Height	Width	Depth	Vent Diameter
RTG-42PVN (Nat. Gas)	31500-118000	Indoor	100 to 140F	2.4	4.2	3/4	1/2	22.25	13.75	5.13	3
RTG-42PVP (LP Gas)	31500-118000	Indoor	100 to 140F	2.4	4.2	3/4	1/2	22.25	13.75	5.13	3

Energy Factor: .82
Flow Rate @ Temp Rise:

4.2 Gpm	@ 45 F Rise
3.8 Gpm	@ 50 F Rise
3.2 Gpm	@ 60 F Rise
2.4 Gpm	@ 77 F Rise
2.1 Gpm	@ 90 F Rise

Q - "How much hot water must be flowing before the rheem tankless water heater turns on?"
A.   The minimum flow to operate these tankless water heaters is 0.66gpm.

Q   "What is the minimum amount of water pressure needed for these to operate?"
      A These units require a consistent 14psi or better water pressure to operate.

Q    "   What water pressure is needed for supplying hot water to upper floors?"
A     To supply water to upper floors, you'll need an additional 0.44psi/ft of water pressure. Basically, for every one vertical foot, you'll need an additional  0.44psi of water pressure.

Q   "What water pressure is recommended for well water?"
A   Well water systems should be set at a range of 50-60psi.

Easy as 1-2-3" Tankless Selection

Rheem Tankless Water Heaters Contrators' Brochure

 

If your home has 1 bathroom, a Rheem Tankless RTG2-42 series water heater should provide an ample supply of continuous hot water.  If your home has 1-2 bathrooms, you should consider a Rheem Tankless RTG-53 series water heater. For up to 3 bathroom homes, the larger Rheem Tankless RTG-74 series water heater should be selected.  For homes with more than 3 bathrooms, large volume demands for hot water, or hot water circulating systems, you should choose our Rheem Tankless GT-199 heavy-duty water heater.  In some applications, our heavy-duty rheem tankless water heaters are linked together in a manifold configuration to meet the higher volume demands for continuous hot water. In fact, up to 20 heavy-duty models can be linked together to work as one water heating system where only one remote control and manifold controller are required a Rheem Tankless Water Heater EXCLUSIVE.

The chart below shows our easy as 1-2-3 selection guide. If you are unsure which Rheem Tankless model is the best for you, we can help.

Rheem's heavy duty tankless water heaters can supply enough hot water for any commercial use, plus they qualify for federal tax credits for energy efficiency.