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MVB™ - Type H
Heating/Hot Water Supply Boilers
Models H7 504-2004
84% Thermal Efficiency at Full Rate
100% Factory Fire Tested
Maximum Outlet Water Temperature: 220°F Minimum Acceptable Inlet Water Temperature: 120°F Full Safety Diagnostics with History
Footprint: Less Than 5-1/2 ft2
Limited Twenty-Year Thermal Shock Warranty Limited Ten-Year Heat Exchanger Warranty Electronic Modulation, Constant Ratio 1.4:1 Turndown TempTracker Mod Controller with LCD Display
Status Display Lights
Heat Exchanger
Bronze Headers
ASME H Stamped
160 PSIG Working Pressure
National Board Approved
Fin Tubing
Copper – Standard
Cupro Nickel – Option A-3
ASME Powder-Coated Tube Sheet
Silicone High Temp O-Rings
ASME Pressure Relief Valve
60 PSIG – Standard
PSIG – Optional
Temperature and Pressure Gauge, Shipped Loose
Stainless Steel Evaporator Plate
Control
120V, 60Hz, 1Ø, Power Supply
120/24V 60Hz Transformer
Ignition Module
3-Try – Standard
Single-Try – Option C-6
Hot Surface Ignition (HSI)
Remote Flame Sensor
High Limit, Manual Reset, Fixed, 240ºF
On/Off Power Switch
Flow Switch
Blocked Vent Pressure Switch
Combustion Air Proving Switch
Pump Switch
Pump Time Delay
Diagnostics Panel
Modulating Temperature Control
Water Temperature Sensors (3)
Burner
Ultra-Low NOx: Less than 20 PPM
Gas Train
Fuel
Natural Gas
Propane
Zero Governor Regulator
Dual-Seat Combination Valve
Electronic Modulating Firing Mode
Construction
Indoor/Outdoor Construction
Front Controls Enclosed
PolyTuf Powder Coat Finish
Rear Connections (Water, Electrical, Gas, Vent, Combustion Air)
Design Certified ANSI Z21.13/ CSA 4.9
Venting
Vent Termination Cap
Outdoor - Option D-11
Indoor, Horizontal – Option D-15
Indoor, Vertical (by others)
Combustion Air
In-Line Filter Kit – Option D-17
Air Intake Elbow – Option D-16
Extractor – Optional
By others
Not required
Temperature Controllers
B-36 Temp-Tracker Mod+ Digital
Controller, Up to 4 Boilers,
OA Reset
B-37 Temp-Tracker Mod+ Digital
Controller, Up to 10 Boilers,
OA Reset
B-38 Temp-Tracker Mod+ Digital
Controller, Up to 16 Boilers,
OA Reset
Y-241 Electronic Sequencer,
Up to 4 Boilers
Y-281 Electronic Sequencer,
Up to 8 Boilers
Options |
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A-13 |
Air Vent, Auto, 150 PSI |
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F-10 |
Low Water Cut-Off, Remote Probe |
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I-1 |
High Limit, Auto Reset, Adj., |
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100-240°F |
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I-2 |
High Limit, Manual Reset, Adj., |
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100-240°F |
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P- |
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Pump: |
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HP, 120V, 1 , 60Hz |
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Water Hardness: |
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GPG |
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Cast Iron |
Bronze |
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Loose |
Mounted |
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P- |
Cold Water Start |
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P- |
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Cold Water Run |
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S- |
1 |
Low Gas Pressure Switch, |
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Manual Reset |
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S-2 |
High Gas Pressure Switch, |
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Manual Reset |
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Regulatory Agency Requirements
Catalog No.: 2000.364A |
Effective: 8-15-07 |
Replaces: 6-15-07 |
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