Rheem 0 User manual

RHEEM RESIDEN IAL ANKLESS

74 TANKLESS SERIES

Endless hot water for 3 bathroom homes

TG-74PV indoor, TG-74X outdoor and TG-74DV

indoor direct vent natural and LP models –

19,000 - 199,900 BTU max.

8.5 gal./min at 35° F rise max., 7.4 gal./min. at 45° F rise

Limited Warranty:

12-Year on heat exchanger, 5-Year on parts, 1-Year on labor

See Residential Warranty Information Brochure for complete warranty information.

•UMC-117 remote control is included and can be set from

the out-of-the-box 120 degrees – up to a 140 degree maximum

(additional remote control thermostats are available – sold separately)

•EZ-Link™cable available for high demand applications to connect two tankless

units to operate as one

•Exclusive! Guardian SBT™sensing burner technology

•Exclusive! Guardian OFW™overheat film wrap

•Exclusive! Two high-altitude options – up to 6,560 or 9,840 ft. elevations

above sea level

(altitude chip required – sold separately)

•Exclusive! All Rheem models can be linked in up to 20 unit manifold installations

by using the optional MIC-180 and MICS-180 manifold control assembly

•All Rheem tankless models are third-party efficiency certified by GAMA

•Continuous hot water, energy saving and compact, space saving design

•Intelligent electronic controls designed to increase energy efficiency and safety

•Self diagnostic program

•Digital display shows temperature setting and maintenance codes

•Built-in electric blower

•Indoor units use Category III stainless steel vents and vent horizontally

or vertically

•Indoor models supplied with a 120 volt power cord

•Environmentally friendly Low NOx burner meets SCAQMD rule 1146

requirements

•Installation vent kits available – sold separately

•Indoor and outdoor models feature freeze protection to -30°F

Tankless water heaters

Endless hot water

See reverse f r specificati ns.

199,900 BTU

INDOO DI ECT VENT

199,900 BTU

OUTDOO

199,900 BTU

INDOO

74 ANKLESS SERIES

TG-74PVN-1

19,000 - Indoor 100° to 4.3 7.4 8.5 3/4 3/4 25-3/8 14-7/8 11-1/8 4 55 .82 $223/$374

199,900 140° F

TG-74XN-1 19,000 - Outdoor 100° to 4.3 7.4 8.5 3/4 3/4 25-3/8 14-7/8 11-1/8 N/A 55 .82 $223/$374

199,900 140° F

TG-74DVN-1

19,000 - Indoor 100° to 4.3 7.4 8.5 3/4 3/4 25-3/8 14-7/8 11-1/8 4 by 4 55 .82 $223/$374

199,900

Direct Vent

140° F

2-PIPE

RHEEM ANKLESS WA ER HEA ERS FOR 3 BA HROOM HOMES

All models are available in Natural Gas and Pro ane (LP).

For Pro ane re lace the N with P when ordering.

•Factory set maximum temperature is 120° F. See Use and Care Manual for setting.

• For installations above 3,280 feet, a high altitude chip is required. efer to heem price list or consult

factory for details.

• Consult factory for information on sizing the application.

Installation Vent Kits available se arately: 4" diameter for TG-74PV models.

Vent Termination Kits are required for Direct Vent models. Contact your distributor for details.

Temperature ise (°F)

Model Number 35°

45° 50° 60° 70° 77° 80° 90° 100°

RTG-74 Water Flow (G M) 8.5 7.4 6.6 5.5 4.7 4.3 4.1 3.7 3.3

Above estimates are for sizing purposes only.

Pr per gas pressure must be ensured t supply tankless gas water heaters – up t 199,900 BTU f r

RTG-74 m dels. (C nsult y ur gas supplier)

Rheem Heating, Cooling & Water Heating

101 Bell Road • Montgomery, AL 36117-4305

1-866-720-2076 • www.rheemtankless.com

Rheem Canada Ltd./Ltée • Water Heater Division

128 Barton Street West, Hamilton, Ontario L8N 3P3

Rheem manufactures residential & commercial heating,

cooling & water heating products.

Printed in U.S.A. 07/08 WP Form No. 101-50-74

These units are designed to meet or exceed ANSI (American National Standards Institute)

requirements and have been tested according to D.O.E. test procedures and meet or

-exceed the energy efficiency requirements of NAECA, ASHRAE standard 90, ICC Code

and all state energy efficiency performance criteria for energy consuming appliances.

Before purchasing this appliance, read important energy cost and efficiency information

available from your supplier.

In keeping with its policy of continuous progress and product improvement,

Rheem reserves the right to make changes without notice.

Water Heater Flow Rate Curves

10 15 20 25 30 35 40 45 50 55 60 70 80 90 100

Delta-T

GPM

74 Max Flow

S ecifications

DESC IPTION FEATU ES OUGHING IN DIMENSIONS (SHOWN IN INCHES) ENE GY INFO.

GAS WATE FLOW ATE VENT SHIP. D.O.E. ANN.

MODEL INPUT TEMP. GPM @ 77° GPM @ 45° GPM @ 35° CONNECTION DIAMETE WEIGHT ENE GY OP. COST

NUMBE BTU/H . TYPE ANGE ISE MAX. ISE MAX. ISE MAX. WATE GAS HEIGHT WIDTH DEPTH (INCHES) (LBS.) FACTO NAT/LP

Energy Factor and Average Annual Operating Costs based on D.O.E.

(Department of Energy) test procedures. D.O.E. national average fuel rate

natural gas $1.218/therm; LP $1.87/gallon

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