Specification Sheet
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
© August 2015 Takagi | 500 Wald, Irvine, CA 92618 | www.takagi.com