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Rheem RTGH-84DVLP Liquid Propane Whole House Indoor Water Heater 8.4 GPM Residential

Item #: BCI2143141
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Product Details for the Rheem RTGH-84DVLP

Prestige Collection Residential 8.4 GPM Indoor Liquid Propane Whole House Water Heater

There are Mid-Efficiency tankless water heaters and there are High-Efficiency tankless water heaters. This is the High-Efficiency version coming in with a 94% Thermal Efficiency rating and featuring a stainless steel condensing heat exchanger. The intelligent electronic controls are designed to increase energy efficiency and safety. Third party efficiency listed by AHRI.

Compact Size

The compact, space saving design is only about the size of a medicine cabinet.


Two-pipe direct vent system designed for PVC pipe, see instructions for details. Self-diagnostic system for easy installation and service. Hot start programming helps minimize fluctuation in water temperature, referred to as "cold water sandwich," during periods of frequent on/off operation. Built-in electric blower.


EZ-Link cable available to connect two tankless units to operate as one. Manifold up to six units with an optional MIC-6 control board or up to twenty with optional MIC-185 and MICS-180 control systems.


  • Digital remote control with 10 foot thermostat wire
  • Freeze protection to -30 degrees F
  • Digital display temperature settings and maintenance codes
  • Guardian overheat film wrap (OFW)
  • Fuel Type: Liquid Propane
  • Installation Type: Indoor
  • Recommended for 2-3 bathroom homes


  • Thermal Efficiency: 94%
  • Minimum Activation Flow Rate: 0.4
  • GPM @ 77 degree rise max: 3.9
  • GPM @ 45 degree rise max: 6.6
  • Max GPM: 8.4
  • Altitude Certification: 9840 ft. above sea level
  • Warranty: 12 Year Heat Exchanger - 5 Year Parts

Rheem has been manufacturing water heaters since the 1930's, with coast to coast distribution by 1936. Their product offerings cover commercial and residential heating, cooling, solar water heating systems, conventional storage-style water heaters, tankless water heaters, replacement parts and accessories. Rheem's manufacturing facilities are ISO 9001 certified, with four facilities in the United States. Choose an industry leader that is respected for reliability. Choose Rheem.

Our SKU: Rheem RTGH-84DVLP

This product is listed under the following manufacturer number(s):

*Denotes a finish or option that has been discontinued

1 Question from the Community
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What else do I need for installation for a RTGH-84DVLP 8.4 GPM ?

You will need to also purchase the service pumps RTG20220ab for the Rheem RTGH-84DVLP.

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Rheem RTGH-84DVLP Technical Specs

Altitude Certification 9840
Depth 9.75
Direct Vent Yes
Energy Factor .94
Energy Star Yes
Fuel Type Liquid Propane
Function Condensing
Gas Connection 3/4"
Height 27.5
Indoor Installation Yes
Manifolding Yes
Manufacturer Warranty 1 Year Labor, 12 Year Heat Exchanger, 5 Year Parts
Maximum Flow Rate 8.4
Maximum Gas Input 157000
Maximum Temperature 120
Minimum Flow Rate .4
Outdoor Installation No
Required Vent Size 2", 3"
Series Prestige
Shipping Weight 82
Thermal Efficiency 94
Voltage 120
Water Connection 3/4"
Width 18.5

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