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LMD DIRECT VENT SERIES PACKAGED
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 | Direct vent oil fired hot water boilers, Model Nos. LMD-75, LMD-100 and LMD-110 are approved for horizontal thru the wall venting. |
| Featuring minimum clearance to combustibles - sides 2", rear 2", front 12", chimney connector 9" |
| Suitable for closet or alcove installation and for installation on combustible flooring |
| No chimney or power vent required - The LMD can be vented up to 20 feet horizontally without a power vent, making the installation and maintenance of the boiler easier and less costly |
| Prepurge and postpurge control - Prepurge is provided to assure clean starts and is accomplished through the use of a delayed oil valve. The postpurge timer is supplied to cool the combustion head and eliminate combustion gases from the venting system producing clean, efficient boiler operation |
| Flexible Stainless Steel Vent Kit - The vent kit is available in three lengths: 10, 15, and 20 foot lengths of five inch flexible stainless steel pipe and a stainless vent termination end. The kit also provides the parts necessary for combustion air intake. Available in a combination vent or standard intake and exhaust vents |
| 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 reduces standby losses associated with boilers during the off cycles and provides nearly instant heating with less full consumption. |
| Efficiency - 83% to 85% AFUE - The high efficiency obtained with the LM Boiler are due to the design of the heat exchanger and the reduction of standby losses. |
| Multiple Firing Rates - .75 to 1.10 - One boiler can be fired at three different firing rates, offering versatility and lower cost maintenance. Each unit is supplied with three nozzles for three firing rates. |
| Compact Size - Standing 19-3/4 inches high, 19 inches wide, and 36 inches long, this compact boiler not only saves space, but can easily be installed in areas not approved for other boilers. The boiler can be easily cleaned from the front or the back. |
| 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 (IBR). |
| Lifetime Limited Warranty - Unlike other pro-rated warranties that often cover a small percentage of the cost of a new boiler 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 without the use of external devices. |
| Weld fittings extend beyond the jacket and allow the service technician or homeowner to see small leaks that, if undetected could later damage the boiler shell and potentially void the warranty. |
| Easy cleaning and maintenance accessibility to the combustion areas and the open tubes make it easy for the service technician to thoroughly clean the boiler. The LMD series can be cleaned from either end by simply removing eight brass nuts. The burner end clean-out door is a hinged, swing-away door. A well- maintained boiler continues to perform at a higher efficiency and is less likely to develop service problems. |
EQUIPMENT
LMD ETL Listed for DIRECT VENT without Power Ventor. LMD includes above
equipment...
plus solid state post-purge burner, back-up high limit control with manual
reset.
STANDARD EQUIPMENT |
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ASME Code Boiler w/ Swing-Away Door |
Beckett AFII Burner |
Flush Jacket |
Delayed Oil Valve |
Ceramic Fiber Combustion Chamber |
Solid State Burner Post Purge |
Altitude, Temperature & Pressure Gauge |
Cadmium Cell Primary Relay |
ASME Relief Valve |
L8148A Aquastat Relay |
Built-In "Air Scoop" |
Auxiliary High Limit w/Manual Reset |
3 Nozzles With Each Burner |
007 or Equivalent Circulator (not mounted) |
Brass Boiler Drain |
Factory Assembled, Wired & Packaged |
ETL Listed |
Air Intake Attachment |
*Carlin or Riello Available |
National Board Stamped |
Optional Equipment |
Part Number |
Boiler Stand |
502900 |
Duct Coil - 60,000 |
530900 |
Duct Coil - 105,000 |
530910 |
Plate Type Domestic Coil |
530800 |
Bronze Circulator |
535160 |
Thermostatic Bypass Valve |
535170 |
DIRECT VENT KITS
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PART NO. |
SHIPPING WEIGHT |
Direct Vent Kit 5" NP X 10ft. |
281030 |
21lbs. |
Direct Vent Kit 5" NP X 15ft. |
281040 |
27lbs. |
*Direct Vent Kit 5" NP X 20ft. |
281050 |
33lbs. |
*Note: 20 Ft. Kit Vent Hood packed in separate carton. 4" tubing shipped inside of 5" tubing. |
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COMBINATION INTAKE & EXHAUST |
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THERMO-VENT 175
Vent Kits One per boiler required.
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PART No. |
Shipping Weight |
TV-175 Combination Vent Kit- 10 ft. |
281070 |
24lbs. |
TV-175 Combination Vent Kit- 15 ft. |
281080 |
20lbs. |
TV-175 Combination Vent Kit- 20 ft. |
281090 |
36lbs. |
Note: Vent Hood Packed Separately from Tubing. 4" tubing shipped inside of 5" tubing. |
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5" SINGLE WALL STAINLESS STEEL
FLEXIBLE VENT SYSTEM - Includes:
1 - Sized Length of 5" Stainless Steel Flexible Vent Tubing
1 - Stainless Steel Combination Air Intake/Exhaust Vent Hood
1 - 4" Tee w/Vacuum Relief
1 - Sized Length of 4" Aluminum Flexible Intake Tubing
Attaching Screw, Silicon Sealer, Instruction Sheet
Note: Connector tubing standard NFPA 9" Clearance to Combustible.
SPECIFICATIONS
MODEL |
LMD-75 |
LMD-100 |
LMD-110 |
GPH Input Rate |
.75 |
1.00 |
1.10 |
Nozzle w/Pump
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.65 |
.85 |
.90 |
Input BTUH |
105,000 |
140,000 |
154,000 |
DOE Heating Capacity - BTUH |
90,300 |
118,300 |
128,600 |
Net IBR Rating - BTUH |
78,500 |
102,900 |
111,800 |
DOE AFUE Rating |
85.2 |
84.0 |
83.0 |
Shipping Weight |
310 |
310 |
310 |
