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TK 235 MBtu Demand Boiler / DHW Heater Page

 

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Wall Mounting Drawing

DHW Only Drawing

Heating Only Drawing

Heating DHW Drawing

Radiant Only Drawing

Radiant & DHW Drawing

 

TK 235 MBtu. Specifications

 

Natural Gas

Liquid Propane

BTU Input
Computer Modulated Variable Input

Min. 25,000BTU Max. 235,000BTU

Min. 25,000BTU Max. 225,000BTU

Energy Factor

0.81

0.82

Thermal Efficiency

Max. 82.3%

Max. 83.9%

First Hour Rating (DOE)

 294 GPH

Ignition

Electronic Ignition

Combustion

Fan Assisted

Electrical Input

120 V, 0.79A

Dimensions

24 in (H), 18 in (W), 9 in (D)

Weight (Without Water)

70 lbs

Vent

4 in. Round Power Vent

Connections (Gas & Water)

3/4 in. NPT

Water Pressure

Min. 15 psi--Max. 150psi

Gas Pressure Inlet

Min. 5.0 in. wc - Max. 10.5 in. wc

Min. 11 in. wc - Max. 14 in. wc

Manifold Gas Pressure

2.2 in. wc

2.7 in. wc
Water Flow Rate

Min. 0.75 GPM--Max. 9 GPM

Outlet Water Temperature

Min. 100?F--Max. 182?F

TK Flow Rate / Temperature   TK Flow Rate vs Inlet Temperature Chart  
TK Pressure / Head Loss   TK Pressure / Head Loss Chart  
NG & LP On Demand Boilers   Natural Gas & Propane On Demand Boilers & DHW Heaters
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