TriangleTube Marquis TWH180, Installation Manual

Page: 5 / 39

2
Product Specifications
Fuel Natural Gas Propane
TWH 18 0
MODEL
TWH 18 0LP
Main Supply
Ignition System
Burner System
Gas Valve System
Weight
Minimum Flow Rate
Water Pressure
Safety Devices
Internal Pipe Material
Direct Electronic Ignition / Automatic Flame Sensing
Premixed Fuel Metal Fiber Burner
Negative Pressure Gas Valve
0.5 GPM
SS 304
135 W
120 V 60 Hz
88 lbs
Heat Exchanger Water Capacity Less than 2 Gallons
Gas Inlet
Casing
Cold Rolled Carbon Steel
Primary Heat Exchanger: SS 304
Overheat High Limit Switch, Gas Leak Detector Sensor,
Exhaust Temperature High Limit Switch, Water Temperature High Limit Switch,
Frost Protection Ceramic Heater
Secondary Heat Exchanger: SS 304
Heat Exchanger
Connection Sizes
Materials
Max.
Min. 150 psi
15 psi
Water Inlet/Outlet
3/4” NPT
3/4” NPT
Gas Input Rate
Indoor Wall Hung
-0.14” WC
-0.08” WC
-0.09” WC
-0.13” WC
Min.
Max.
Max power consumption
3.5” WC ~ 10.5” WC
8.0” WC ~ 13.0” WC
9.5
7. 1
2” (50 ft) /3” (100ft) Schedule 40 PVC, CPVC, PP
Sealed Combustion Direct Vent
4.4 GPM
7.6 GPM
9.8 GPM
.9 5
1 8 , 0 00 Btu/h
1 80 ,000 Btu/h
77ºF Rise
45ºF Rise
35ºF Rise
Min.
Energy Factor
Max.
Hot Water Capacity
Installation
Flue System
Vent
Orifice Size (mm)
Gas Supply Pressure (”WC)
Manifold Pressure (”WC)
Power Supply
Specifications
Marquis Manual_61515_Water Heater 7/1/15 1:58 PM Page 5