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THE LMGD DIRECT VENTSERIES
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GREAT FOR.............
FEATURES AND BENEFITSThe low mass gas boiler from Thermo-Dynamics is a wet-base, horizontal tube, two pass boiler design. Using proven industry designs for efficiency and durability, coupled with an indirect domestic water system, this compact boiler offers installers installers many ways to meet the comfort requirements of their customers.WATER VOLUME - The low, 5 1/2 gallon water content provides heat and hot water delivery within minutes of start up. The low mass concept eliminates standby losses associated with boilers during the off cycles and provides almost instant heating with less fuel consumption.83% to 84-1/2% AFUE EFFICIENCY - No Vent Damper Required - Non-Condensing. This high efficiency obtained with the LMG Boiler are due to the design of the heat exchanger and the reduction of standby losses.BURNER DESIGN - Quiet "Pre-mix" burner design performs with 3" WC pressure on either natural or LP Gas.HOT SURFACE IGNITIONTHREE MODELS OFFERED - 90,000, 105,000, and 120,000NO DRAFT HOOD REQUIREDSAFETY SYSTEM - Offers multi-check gas safety shutdown. This system senses proper flue pressure and burner air flow before opening the main gas valve.COMPACT SIZE - Standing 19-3/4 inches high, 19 inches wide, and 36 inches long, this compact boiler not only saves space but can often be installed easily where other boilers cannot.ASME CONSTRUCTED AND IBR RATED - Each boiler is constructed and hydrostatically tested in accordance with ASME Boiler Code. The capacity and efficiency are rated in accordance with the standards of the Institute of Boiler and Radiator Manufacturers.LIFETIME LIMITED WARRANTY - Unlike other pro-rated warranties that often only cover a small percentage of the replacement cost after the 15th or 20th year, Thermo-Dynamics boiler replacement costs are never more than 50% of the replacement boiler list price.BUILT IN "AIR SCOOP" - purges air from the system providing a quiet trouble free hot water heating system.EASY CLEANING AND MAINTENANCE - Accessibility to combustion areas and the open tubes make it easy for the service technician to thoroughly clean the boiler. The LMG-Series can be cleaned and serviced from either end by simply removing eight bras nuts. The burner end clean-out door is a hinged, swing-away door. A well-maintained boiler continues to perform at high efficiency and is less likely to develop service problems.
EQUIPMENT/SPECIFICATIONS |
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Standard Equipment |
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ASME Code Boiler with Swing-Away Door |
Flush Jacket - Powder Coated Finish |
Altitude, Temperature and Pressure Gauge |
Pre-Mix Gas Burner (Natural or LP) |
Hot Surface Ignition |
Safety Pressure Switches |
High Limit Control |
Circulator/Burner Relay |
007 Circulator or Equivalent |
ASME Relief Valve |
Brass Boiler Drain |
Built-in "Air Scoop" |
Stainless Steel Combination Vent Hood |
Stainless Steel 5X4 Vent Adapter |
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Optional Equipment |
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Boiler Stand |
Duct Coil- 60,000 |
Duct Coil- 150,000 |
Plate Typed Domestic Coil |
LP Conversion Kit |
Thermostatic Bypass Valve |
Ratings and Capacities |
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MODELS |
AGA INPUT BTU/HR |
HTG CAPACITY BTU/HR |
I=B=R NET OUTPUT BTU/HR |
AFUE RATINGS |
SHIPPING WEIGHT |
LMGD - 90 |
90,000 |
76,000 |
66,300 |
84.5 |
300 |
LMGD - 105 |
105,000 |
88,000 |
76,600 |
83.7 |
300 |
LMGD - 120 |
120,000 |
100,000 |
86,700 |
83.0 |
300 |
MODEL |
CLEARANCE FROM COMBUSTIBLES |
GAS INLET PIPING |
MANIFOLD PRES NATURAL OR LP |
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SIDES/FRONT |
JKT FRONT |
VENT CONN |
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LMGD - 90 |
4" |
6" |
6" |
1/2" Dia. |
3" W.C. |
LMGD - 105 |
4" |
6" |
6" |
1/2" Dia. |
3" W.C. |
LMGD - 120 |
4" |
6" |
6" |
1/2" Dia. |
3" W.C. |
NOTE: Specify (1) Model Number (2) Type of Gas - Natural or LP |
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Handcrafted by ASME Welders in Pennsylvania, America's "Industrial Heartland"
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