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Rheem Tankless Water Heaters

Takagi tankless water heaters - Paloma tankless water heaters
Chronomite instant flow water heaters - Chronomite instant temperature water heaters
scald prevention valves - water heater gas flexes - gas vents - more tankless water heaters


Pronto Tankless Gas Water Heaters
tankless water heaters
Shown: RTG-74 indoor & outdoor models
These tankless water heaters feature:
  • Continuous hot water
  • Energy efficient design, no storage tank to keep hot
  • Electronically controlled - 120V, 60Hz single phase
  • Low NOx emissions
  • Self-diagnostic program
  • Digital display remote
  • Exclusive oxygen depletion sensor - checks the exhaust gas to see how clean the unit is burning so the unit can adjust the sensing burner for a cleaner burn.
  • Exclusive film wrap overheat limiter - monitors the temperature of the heat exchanger and will shut the unit down if it exceeds a safe temperature. It also checks for a lack of oxygen - if detected, the unit will shut down.
  • 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
  • UMC-117 remote control is included - factory set to 120°F (can be dipswitch changed to a max 140°F) - additional remote control thermostats can be purchased separately
  • Manufacturer's 10 year limited warranty on heat exchanger, 3 year limited warranty on parts
  • Click for specifications

Rheem tankless water heaters models for INDOOR installation:
Model # Description Price & Quantity
RTG-53PVN Indoor Natural Gas Tankless Water Heater - 21,500 - 145,000 btu/hr $574.96
RTG-53PVP Indoor Propane Tankless Water Heater - 21,500 - 145,000 btu/hr $579.42
RTG-74PVN Indoor Natural Gas Tankless Water Heater - 19,000 - 199,900 btu/hr $746.12
RTG-74PVP Indoor Propane Tankless Water Heater - 19,000 - 199,900 btu/hr $747.98
GT-199PVN Heavy Duty - Indoor Natural Gas Tankless Water Heater - 19,000 - 199,900 btu/hr $858.94
GT-199PVP Heavy Duty - Indoor Propane Tankless Water Heater - 19,000 - 199,900 btu/hr $858.97

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Rheem Tankless water heaters models for OUTDOOR installation:
Model # Description Price & Quantity
RTG-53XN Outdoor Natural Gas Tankless Water Heater - 21,500 - 145,000 btu/hr $578.01
RTG-53XP Outdoor Propane Tankless Water Heater - 21,500 - 145,000 btu/hr $579.95
RTG-74XN Outdoor Natural Gas Tankless Water Heater - 19,000 - 199,900 btu/hr $746.12
RTG-74XP Outdoor Propane Tankless Water Heater - 19,000 - 199,900 btu/hr $746.98
GT-199XN Heavy Duty - Outdoor Natural Gas Tankless Water Heater - 19,000 - 199,900 btu/hr $858.98
GT-199XP Heavy Duty - Outdoor Propane Tankless Water Heater - 19,000 - 199,900 btu/hr $858.99

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Accessories for RTG-53 Tankless Water Heaters
Model # Description For Rheem Model Price & Quantity
RTG20074FH High Altitude Chip - for installations 3281 - 6560 feet RTG-53PVP propane / indoor $29.54
RTG2006DM High Altitude Chip - for installations 3281 - 6560 feet RTG-53PVN natural gas / indoor $29.62
RTG20074FW High Altitude Chip - for installations 3281 - 6560 feet RTG-53XP propane / outdoor $29.62
RTG20074FZ High Altitude Chip - for installations 3281 - 6560 feet RTG-53XN natural gas / outdoor $29.78
RTG20074FJ High Altitude Chip - for installations 6561 - 9840 feet RTG-53PVP propane / indoor $29.93
RTG20074FM High Altitude Chip - for installations 6561 - 9840 feet RTG-53PVN natural gas / indoor $29.83
RTG20074FX High Altitude Chip - for installations 6561 - 9840 feet RTG-53XP propane / outdoor $29.73
RTG20074GA High Altitude Chip - for installations 6561 - 9840 feet RTG-53XN natural gas / outdoor $29.88
RTG-20003 Installation Vent Kit for Horizontal Termination for RTG-53PV indoor tankless water heaters - 3" diameter. Kit includes components required for horizontal through the wall termination RTG-53PV indoor $239.44
RTG-20065 Tankless water heater recess box RTG-53X outdoor $239.56

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Accessories for RTG-74 Tankless Water Heaters
Model # Description For Rheem Model Price & Quantity
RTG20006DK High Altitude Chip - for installations 3281 - 6560 feet RTG-74PVP propane / indoor $29.54
RTG20006DM High Altitude Chip - for installations 3281 - 6560 feet RTG-74PVN natural gas / indoor $29.64
RTG20006EH High Altitude Chip - for installations 3281 - 6560 feet RTG-74XP propane / outdoor $29.77
RTG20006EK High Altitude Chip - for installations 3281 - 6560 feet RTG-74XN natural gas / outdoor $29.85
RTG20006DL High Altitude Chip - for installations 6561 - 9840 feet RTG-74PVP propane / indoor $29.58
RTG20006DN High Altitude Chip - for installations 6561 - 9840 feet RTG-74PVN natural gas / indoor $29.65
RTG20006EJ High Altitude Chip - for installations 6561 - 9840 feet RTG-74XP propane / outdoor $29.84
RTG20006EL High Altitude Chip - for installations 6561 - 9840 feet RTG-74XN natural gas / outdoor $29.50
RTG-20007 Installation Vent Kit for Horizontal Termination for RTG-74PV indoor tankless water heaters - 4" diameter. Included Components: Adapter (1), 90 Degree Elbow (2), 12" Length (1), 6-9" Adjustable Length Slip Connector - 3 Pieces (1), Horizontal Wall Thimble (1), 90 Degree Elbow Termination with Screen (1), Thermostat Wire for Remote Connection (1), Pressure Relief Valve (1). RTG-74PV indoor $269.21

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Accessories for TG-199 Tankless Water Heaters
Model # Description For Rheem Model Price & Quantity
RTG20006JF High Altitude Chip - for installations 3281 - 6560 feet TG-199PVP propane / indoor $29.99
RTG20006JG High Altitude Chip - for installations 3281 - 6560 feet TG-199PVN natural gas / indoor $29.98
RTG20006JM High Altitude Chip - for installations 3281 - 6560 feet TG-199XP propane / outdoor $29.74
RTG20006JN High Altitude Chip - for installations 3281 - 6560 feet TG-199XN natural gas / outdoor $29.86
RTG20006JH High Altitude Chip - for installations 6561 - 9840 feet TG-199PVP propane / indoor $29.97
RTG20006JJ High Altitude Chip - for installations 6561 - 9840 feet TG-199PVN natural gas / indoor $29.96
RTG20006JP High Altitude Chip - for installations 6561 - 9840 feet TG-199XP propane / outdoor $29.82
RTG20006JR High Altitude Chip - for installations 6561 - 9840 feet TG-199XN natural gas / outdoor $29.92

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Accessories for Rheem Tankless Water Heaters
Model # Description Price & Quantity
2SVSNA04.5 Rheem Adapter Stainless Vent Adapter - more gas venting products $35.88
USC2-117 Additional Remotes for RTG-74 Tankless Water Heaters, provides user with an additional remote control that allows them to place at their desired location. It can be adjusted, however not higher than the temperature set on the main remote. $118.64
RTG-20038 Recess box for tankless water heater RTG-74X and GT-199X only $259.88
AP430SS Hot Water Heater Scale Inhibitor System - inhibits scale build-up, helps protect piping from corrosion, maintains efficiency & extends life of system, 3/4" NPT, 6 GPM, cold water feed line, made from FDA CFR-21 compliant materials, suitable for drinking and cooking water and all food applications, effective on all types of hot water systems-boilers, tankless, and tank-type (gas or electric). Replacement cartridges (AP431) are available for these in-line scale inhibitor systems. $56.90
Replacement filter for hot water heater scale inhibitor system $34.99
Note: Recommended time to change/replace filter cartridge is 6 months.
Purchase a replacement cartridge to have on hand when needed.

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Specifications
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-53PVN
(Nat. Gas)
21,500-145,000 Indoor 100° to
140°F
3.1 5.3 3/4" 3/4" 20-1/2" 13-3/4" 6-1/4" 3"
RTG-53PVP
(LP Gas)
21,500-145,000 Indoor 100° to
140°F
3.1 5.3 3/4" 3/4" 20-1/2" 13-3/4" 6-1/4" 3"
RTG-53XN
(Nat. Gas)
21,500-145,000 Outdoor 100° to
140°F
3.1 5.3 3/4" 3/4" 20-1/2" 13-3/4" 6-1/4" N/A
RTG-53XP
(LP Gas)
21,500-145,000 Outdoor 100° to
140°F
3.1 5.3 3/4" 3/4" 20-1/2" 13-3/4" 6-1/4" N/A
RTG-74PVN
(Nat. Gas)
19,000-199,900 Indoor 100° to
140°F
4.2 7.4 3/4" 3/4" 25-3/8" 14-7/8" 11-1/8" 4"
RTG-74PVP
(LP Gas)
19,000-199,900 Indoor 100° to
140°F
4.2 7.4 3/4" 3/4" 25-3/8" 14-7/8" 11-1/8" 4"
RTG-74XN
(Nat. Gas)
19,000-199,900 Outdoor 100° to
140°F
4.2 7.4 3/4" 3/4" 25-3/8" 14-7/8" 11-1/8" N/A
RTG-74XP
(LP Gas)
19,000-199,900 Outdoor 100° to
140°F
4.2 7.4 3/4" 3/4" 25-3/8" 14-7/8" 11-1/8" N/A
GT-199PVN
(Nat. Gas)
19,000-199,900 Indoor 100° to
180°F
4.3 7.4 3/4" 3/4" 25-3/8" 14-7/8" 11-1/8" 4"
GT-199PVP
(LP Gas)
19,000-199,900 Indoor 100° to
180°F
4.3 7.4 3/4" 3/4" 25-3/8" 14-7/8" 11-1/8" 4"
GT-199XN
(Nat. Gas)
19,000-199,900 Outdoor 100° to
180°F
4.3 7.4 3/4" 3/4" 25-3/8" 14-7/8" 11-1/8" N/A
GT-199XP
(LP Gas)
19,000-199,900 Outdoor 100° to
180°F
4.3 7.4 3/4" 3/4" 25-3/8" 14-7/8" 11-1/8" N/A

Tankless Water Heaters - How It Works

Frequently asked questions about Rheem tankless water heaters

questions about Rheem tankless water heaters "What water pressure is recommended for well water?"
answers about Rheem tankless water heaters Well water systems should be set at a range of 50-60psi.

questions about Rheem tankless water heaters "How much hot water must be flowing before the tankless water heater turns on?"
answers about Rheem tankless water heaters The minimum flow to operate these tankless water heaters is 0.66gpm.

questions about Rheem tankless water heaters "What water pressure is needed for supplying hot water to upper floors?"
answers about Rheem tankless water heaters 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.

questions about Rheem tankless water heaters "What is the minimum amount of water pressure needed for these to operate?"
answers about Rheem tankless water heaters These units require a consistent 14psi or better water pressure to operate.


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