Takagi TK-310U-I Indoor Tankless Water Heater, Natural/Propane Gas Convertible, 190KBTU

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Takagi TK-310U-I model is a non-condensing indoor natural gas (convertible to propane w/ kit included) tankless water heater, intended for small to medium residential applications.

Features:

Ultra-Low NOx
Field convertible from natural gas to propane (kit included)
Factory-installed power cord with plug
Temperature controller on front panel
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
Electronic ignition - no standing pilot
Complies with SCAQMD Rule 1146.2 (California & Texas)
Complies with lead free standards
AHRI certified.

Technical Specifications:

Shower capacity at 70F (warm climates): 3.5 showers
Shower capacity at 50F (cooler climates): 2.5 showers
Fuel Type: Natural Gas (Propane conversion kit is included)
Gas Connections: 3/4" NPT
Gas Consumption Input: 15,000-190,000 BTU/H
Inlet Gas Pressure: 4.0-10.5" in W.C. (for Natural Gas)
8.0-14.0" in W.C. (for Propane)
UEF: 0.82
Hot/Cold Connections: 3/4" NPT
Water Connection Locations: Bottom
Max GPM: 8
Water Pressure: 15-150 PSI
Weight: 39 lbs
LEED Rating: 0.0
Emissions: less than 14 ng/J
Flue/Exhaust: 4" (Category III Stainless Steel)
Air Intake: 3" Cat. III Stainless, Flex. Aluminum, PVC or ABS
Vent: 60' Max Length, 6 elbows max
Max. Elevation: 10,100 ft
Power Source: 120V/60Hz.

Warranty:
15-year limited warranty on heat exchanger in residential applications/5-year limited warranty on heat exchanger in commercial applications/5-year limited warranty on all parts