Specification Sheet

ManualsBrandsTakagi ManualsResidential Tankless Water HeaterTakagi 8.0 GPM Residential Indoor Natural Gas Tankless Water Heater with 190,000 BTU Input and Concentric Venting from the Simplicity Series

Residential Gas

Water Heaters

FEATURES:

CONCENTRIC VENT DESIGN

FIELD CONVERTIBLE FROM

NATURAL GAS TO PROPANE

COMPLIES WITH SCAQMD

RULE 1146.2 AND OTHER

AIR QUALITY MANAGEMENT

DISTRICTS WITH

SIMILAR NOX EMISSION

REQUIREMENTS OF 14 NG/J

OR 20 PPM

MAXIMUM FLOW RATES UP

TO 10.0 GPM

COPPER HEAT EXCHANGER

• 25x better heat transfer than

stainless steel thus stabilizing

outgoing water temperature

quicker and reducing pressure

drop across the heat exchanger

INDOOR MODELS ONLY

TK-510C CAN BE USED IN

BOTH RESIDENTIAL AND

COMMERCIAL APPLICATIONS

• Easy-Link up to 4 units (no

additional parts or accessories

needed)

• Multi-link up to 20 units

COMPLIES WITH LEAD FREE

STANDARDS

SAFETY FEATURES:

• Built-in Freeze Protection

• Manual Reset Hi-Limit (Up to 194°F)

• Overheat Cutoff Fuse

• Inlet and Outlet Thermistors for

Constant Temperature Monitoring

• Air Fuel Ratio Rod

• Flame Sensor

VENTING AND COMBUSTION

• Direct vent APNC35 concentric

vent system

• Vertical or Horizontal Vent

Termination Installation

• 43’ Max Length, 4 Elbows max

(90° elbows = 5’ equivalent length)

• Power Direct Vent

• Electronic Ignition - No Pilot Light

OPTIONAL ACCESSORIES

• Isolation Valve Kit (9007604005)

• Remote Control (9009069005)

• Product Preserver (9008871005)

• Multi-Unit Controller (9008300005)

WARRANTY

• 15-year limited warranty on

heat exchanger in residential

applications

• 10-year limited warranty on

heat exchanger in commercial

applications

• 5-year limited warranty on all parts

Page 1 of 4

TCGSS00314

INDOOR MODELS

TK-110C, TK-310C, TK-510C

Fully modulating, gas red, tankless water heater with sealed

combustion and power vented ue. Supplies hot water to domestic

hot water systems (directly or indirectly) and can be used with water

storage tanks, recirculation systems, and/or combined domestic &

heating applications.

NON-CONDENSING CONCENTRIC VENT

(510C models only)

ANSI Z21.10.3

Summary of content (4 pages)

PAGE 1
Residential Gas Water Heaters NON-CONDENSING CONCENTRIC VENT Fully modulating, gas fired, tankless water heater with sealed combustion and power vented flue. Supplies hot water to domestic hot water systems (directly or indirectly) and can be used with water storage tanks, recirculation systems, and/or combined domestic & heating applications. FEATURES: CONCENTRIC VENT DESIGN FIELD CONVERTIBLE FROM NATURAL GAS TO PROPANE COMPLIES WITH SCAQMD RULE 1146.
PAGE 2
5-7/16” (1 Top view Residential Gas Water Heaters 13-3/4” (350 mm) Gas Consumption Inlet Gas Pressure* Dimensions in Inches Energy Maximum Hot/Cold Input Gas Unit Weight Type Factor GPM** Connections Connection (lbs) Minimum Maximum Minimum Maximum (EF) Height Width Depth BTU/H BTU/H in. W.C. in. W.C. 20-1/2” (520 mm) Model Number 10-1/2” (266.5 mm) Indoor Models TK-110C-NI Natural TK-310C-NI Natural TK-510C-NI*** Natural 15,000 15,000 15,000 140,000 190,000 199,000 5.0 5.0 5.0 10.5 10.5 10.
PAGE 3
Residential Gas Water Heaters 110C MODEL 310C MODEL 510C MODEL © August 2015 Takagi | 500 Wald, Irvine, CA 92618 | www.takagi.
PAGE 4
Residential Gas Water Heaters SUGGESTED SPECIFICATIONS FOR THE TK-510C-NI The fully modulating, on-demand, non-condensing gas fired tankless water heater shall be Takagi Tankless Water Heater model TK-510C-NI, having a maximum input rating of 199,000 Btu/h and available in natural gas (NG). For use with propane (LP) gas, the heater shall be field converted using the factory supplied conversion kit. The conversion kit shall be supplied with the heater. The heater shall have ¾ in.