15-Year Limited Residential Heat Exchanger Warranty.5-Year Limited Parts Warranty. For more information on warranty, please visit www.bradfordwhite.comFor products installed in USA, Canada, and Puerto Rico. Some states do not allow limitations on warranties.See complete copy of the warranty included with the heater.

1153-E-0420

Infiniti® K Series Tankless(Condensing) Gas Water Heater

Outdoor Models

The Infiniti® K Series Tankless Condensing Water Heater Models feature:n ENERGY STAR® Qualified – Meet or exceed requirements for ENERGY STAR®

per the latest ENERGY STAR® criteria revision, as well as most utility rebate programs.

n SRT™ Scale Reduction Technology – Significantly reduces the incidence of scale build-up known to result in poor performance, additional maintenance, and pre-mature component or product failure.

n STEADISET™ Technology – Virtually eliminates cold water sandwich without the need for an internal buffer tank and recirculation pump.

n Self-Calibrating Fan and Gas Valve – Simple combustion management system uses self-calibrating sensors to automatically configure air fuel ratio for flue length, gas type, and altitude - without a combustion analyzer.

n Modulation – Segmented burner with 22:1 turn down ratio.n Built-In Digital Control – (100-140°F) (38°C-60°C).n Active Bypass – Achieves superior temperature stability (±2°F) (±1°C).n External Recirculation Pump Wiring – Installed. Built-in controls provides

precise operation of external recirculation pump with, or with out, additional external temperature sensor (Recirculation pump sold separately).

n Gas Connection Flexibility – 1/2" (13mm), 3/4" (19mm), or 1" (25mm)connections permitted (refer to I&O manual for details).

n Inlet Water Filter – External access for easy maintenance.n Space Saving Installation – Compact size for tight installations.n Built In Freeze Protection – Protects unit from freezing. Activates automatically

when the water heater is plugged in.n Heat Exchanger – Primary Copper with Secondary Stainless Steel

(316L) heat exchanger helps maximize life and minimize scale build-up.n Flushing condensate trap.n Intelligent Cascading Kit (Optional) – Up to 24 units can be connected

together with ease.n Complies with the latest Ultra-Low NOx requirement (14 ng/J NOx limit).n Optional Condensate Neutralizer Kit – p/n A2123601.

FEATURING:

©2020, Bradford White Corporation. All rights reserved.

For field service, contact your professional installer or local Bradford White sales representative.

Sales 800-523-2931 n Fax 215-641-1612Technical Support 800-334-3393 n Email techserv@bradfordwhite.com Warranty 800-531-2111 n Email warranty@bradfordwhite.com International: Telephone 1-215-641-9400 n Email international@bradfordwhite.com / www.bradfordwhite.com

Ambler, PA

NATURAL GASInfiniti® K Series Outdoor Model

ModelNumber

EFloor to

GasConn.

in.

BJacketDia.

in.U.S.Gal.

GPM Flow Rateat °F

Temperature Rise

RTG-K-160-N2RTG-K-199-N2

Imp.Gal.9,000 - 160,000

9,000 - 199,000

45°F

7.08.7

UniformEnergyFactor

75°F

4.25.2

90°F

3.54.4

0.920.96 20

2224

CVentSize

in.

3x444

1313

123/16

481/2

57603/4

4150

531/2

HFloor toWaterConn.

in.

DFloor to

T&PConn.

in.

EFloor to

GasConn.

mm.

BJacketDia.

mm.Liters

MinimumWater Flow

GPM Min. Max.

0.450.45

508559609

CVentSize

mm.

76 / 102102102

GasConn.

in.3/4

3/4

3/4

3/4

3/4

3/4

WaterConn.

in.3/4

3/4

3/4

3/4

3/4

3/4

MaximumTemperature

Setting

140°F140°F

Approx.ShippingWeight

lbs.

7979

EExhaust

in.

51/2

Min. Max.

ModelNumber

LPM Flow Rateat °C

Temperature Rise

RTG-K-160-N2RTG-K-199-N2

2.6 - 46.642.6 - 58.3

25°C

26.732.9

UniformEnergyFactor

41.7°C

15.919.6

50°C

13.216.6

0.920.96

MinimumWater Flow

LPM

1.71.7

MaximumTemperature

Setting

60°C60°C

Approx.ShippingWeight

kg.

3636

EExhaust

mm

140

Installation GPM Flow Rateat °F

Temperature Rise

Indoor / Outdoor

Nat.BTU/Hr.

Input

19,900-199,000

45°F

8.0

EF RatingNat. and LP

75°F

4.6

90°F

3.0 0.95

LPBTU/Hr.

Input

19,900-199,000

MinimumWater Flow

GPMMin. Max.

0.5 0.5

MaximumTemperature

Setting

140°F

GasConn.

mm.

191919191919

WaterConn.

mm.

191919191919

330330309

FFloor toSpace

HeatingReturn

in.

131/2

131/2

131/2

FFloor toSpace

HeatingReturnmm.

343343342

GFloor toSpace

HeatingOutlet

in.

4150

531/2

GFloor toSpace

HeatingOutletmm.

104112701359

123214481543

104112701359

HFloor toWaterConn.

mm.

242628

KDepth

in.

609660711

KDepth

mm.

DFloor to

T&PConn.

mm.

Input (BTU/Hr.)

Input (kW)

Infiniti® K Series Tankless Water Heater

GeneralAll potable water connections are 3/4" (19mm) NPT. Gas connections are 3/4" (19mm). Bradford White recommends consulting the Installation and Operations Manual (IOM) for proper gas line sizing based upon the installation specifics.Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement. Toxic chemicals, such as those used for boiler treatment, shall NEVER be introduced into the potable side of this system. The potable side may NEVER be connected to any existing heating system or component(s) previously used with a non-potable water heating appliance.

Available in Natural Gas only.

Requires an electrical power supply from a 120VAC 60Hz., properly rated receptacle and must be properly grounded. Power supply cord provided.

Intelligent Cascading Kit: Part No. 7736502750 (One for each additional water heater).

Printed in U.S.A.1153-E-0420

CondensateDrain

Hot WaterOutlet

Gas ConnectionCold WaterInlet Filter

Cold WaterInlet

Power Cord

913/16"(249)

913/16"(249)

(mm)

TOP VIEW

FRONT VIEW

BOTTOM VIEW

SIDE VIEW

1819/32" (472)

99/32"(236) 7 1/2" (191)

311/2"(800)

21/2"(64)

523/64"(136)

45/16"(110)

19/16"(40)

31/2"(89)

1119/32"(294)

3 1/2"(89)

(133)51/4"

(191)71/2"