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Mascot ST Tankless Water Heater
2.2 Specifications
Model Name
Gas Input Rate
Hot Water Capacity
Installation
Flue System
Vent Run
Gas Supply Pressure
Manifold Pressure
Power Supply
Ignition System
Burner System
Gas Valve System
Minimum Flow Rate
Internal Pipe Material
Dimensions
Weight
Sub Heat Exchanger Water Capacity
Control Panel / Main Controller
Water Pressure
Connection Sizes
Materials
Safety Devices
• Temperature
Operating ambient Temperature Range : -10 to 60°C.
Operating Relative Humidity up to: 90% at 40°C.
Shipping & Storage Temperature Range of : -20 to 80°C.
MAX
MIN
35°F Rise
45°F Rise
77°F Rise
NG
LP
Gas Type
MAX Fire
MIN Fire
Main Supply
Maximum
Power Consumption
Single Orifice Premixed Fuel Modulation Metal Fiber Infrared
MAX
MIN
Cold Water Inlet /
Hot Water Outlet
Gas Inlet
Casing
Heat Exchanger
Flame Rod, Overheat Cut Off Limit Switch , Gas Leak Detector
MSTWW199
199,000 Btu/h
19,900 Btu/h
11.0 GPM
8.5 GPM
5.0 GPM
Indoor Wall Hung
Sealed Combustion Direct & Single Vnet
2"(50ft) / 3"(100ft) Schedule 40 PVC, CPVC, PP, ABS
3.5˝ WC to 10.5˝ WC
8.0˝ WC to 13.0˝ WC
NG
-0.11" to -0.17" WC
-0.10" to -0.16" WC
120V 60Hz / 4A
135W(82W+53W_Ceramic heater)
Direct Electronic Ignition / Automatic Flame Sensing
Air ratio valve
0.5 GPM
STS 304
W17.3 " – H28.7 " – D14.8 "
Under 2 Gallon
P-920C / GTH-9500C
Hot water 150 psi
3/4"NPT
3/4"NPT
Cold Rolled Carbon Steel
Primary Heat Exchanger : STS 304
Secondary Heat Exchanger : STS 304
sensor, Exhaust Temperature High Limit Switch, Water Tem-
perature High Limit Switch, Frost Protection Ceramic Heater
LP
-0.07" to -0.11" WC
-0.06" to -0.10" WC
88 lbs
15 psi
Page 3
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