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Rheem Tankless Water Heater 7.4 Outdoor Natural Gas

SKU RTG-74XN
DescriptionRheem Tankless Water Heater RTG74XN, Outdoor Use

Provides 7.4 gallons per minute at a 45° F temperature rise; 4.2 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.)
The RTG-74 can provide enough gallons per minute of hot water to supply 3 showers in simultaneous operation, or a shower and 2 sinks in simultaneous operation. All calculations are based on 120° F setting, 105° F delivery temperature, and simultaneous use of above appliances. (See More Images)

Rheem Tankless Water Heater RTG74XN, OutDoor Use Features:
•Natural Gas Part RTG-74XN
; Continuous hot water
• USC1-117 waterproof remote control is included.
• Energy efficient design, no storage tank necessary
• Intelligent electronic controls designed to increase energy efficiency and safety
• Self diagnostic program
• Exclusive combustion monitoring device
• Low NOx emissions
• Uses 4" Category III stainless steel vents
• Supplied with a 120 volt power cord

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 (RTG74 High Altitude Chip)
  Rheem Tankless 7.4 Tankless Water Heater - Spec Sheet


Click for Venting Instructions for Rheem Tankless

7.4 Manual PDF
For Technical Help
Call Rheem Direct at1-866-720-2076
7-days a week from 7 to 7 Central Time
List Price $1,100.00
Your Price $891.00
You Save $209.00
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Customer Reviews

Average Rating

Ordered Last week from Lake County, arrived in at My California Cabin in 4 days. Had i Running by Sunday Night. Works great. Thanks for the input on the venting. Bud, Palos Verdes
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Great Product. UPS arrived in 3 days. Thanks- Joe R, Denver
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