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Laars EDN110 Endurance Non-Ferrous Hydronic Boiler
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Item Number: 11724
Manufacturer Name: Laars Heating Systems Company
Manufacturer Part No: EDN110
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Specifications:
- Input (MBTU/h): 61.8-108.2
- Input (kW): 18.1-31.7
- Output (MBTU/h): 53.7-94.0
- Output (kW): 15.7-27.5
- AFUE%: 85.5
- Minimum Clearances from Combustible Materials:
- Back & Front: 1"
- Sides: 1"
- Top (Alcove Install): 1"
- Top (Closet Install): 22"
- Vent: Concentric, Direct: 0"
- Vent: Category IV: 3"
Features:
- Design certified and tested to ANSI standard Z21.13
- Designed and constructed in accordance with the ASME Boiler & Pressure Vessel Code, Sections II, IV, and IX
- Maximum working pressure - water 30 psi, ASME rated
- Hydrostatic test pressure at factory - 60 psi
- Minimum gas supply pressure - 4" w.c.
- Maximum gas supply pressure - 13" w.c.
- 85+% AFUE
- Sealed stainless steel combustion chamber
- Hot surface ignition
- Automatic burner modulation from 57% to full fire
- NOx levels less than 25 ppm
- Venting - Direct vent (sealed combustion with ducted combustion air in concentric vent) or Category III
- Design certified for installation directly on a combustible floor (except carpeting)
- One-inch clearance on all 4 sides
- Zero clearance from combustibles to the vent when concentric venting is used
- Electrical: 115V-60HZ-1PH less than 15 Amps with 24V transformer mounted and wired
- Outdoor reset with the addition of outdoor air sensor (limited temperature range available for EBP models)
- Control overrides outdoor reset when air sensor is faulty
- Easy-to-use viewing and programming menus
- 3-Character alphanumeric display of temperatures and fault codes
- Displays fault codes for supply sensor, return sensor, tank sensor (EBP only), outdoor air sensor, internal control, and lockout
- Displays 6 temperatures: supply water, return water, tank water (EBP only), heat exchanger temperature rise, outdoor air temperature (when outdoor reset is used), and calculated set point (when outdoor reset is used)
- Control LEDs indicate pump energized, gas valve energized and attempt to ignite
- Ignition control LEDs show faults for erroneous flame signal, internal error and lockout
- Low water temperature feature - attempts to run the pump when supply water temperature falls below 39ðF
- Built-in circulating pump and by-pass loop
- Equipped with anti-condensing controls
- Pump exerciser to ensure pump remains free from corrosion
- Built-in safety limit
- Copper finned, cylindrical tube design heat exchanger brazed into ASME bronze headers
- EBP united store 20 gallons of boiler water to provide instantaneous domestic hot water production through a brazed plate heat exchanger, with DHW priority
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20 Year limited warranty
For more information on this product please view the Sheet(s) below:  Laars Endurance EBP, EDP, EDN Installation Manual Laars Endurance Parts List Laars Endurance Questions And Answers Booklet
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Laars 2400-352 Flue Adaptor, 3" x 8.5" (SS AL29-4C)
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Laars 2400-448 Transformer 24V 100VA
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Laars 40-310 Wiring Harness Assembly
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Laars R2006100 Relay, DPDT, 24V Coil
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Laars 2400-334 Vent Intake Pipe, 5" x 24" Stainless Steel
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Laars 2400-550 Safety Limit, 230 F
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Laars 2400-348 2nd Elbow, 3" (SS AL29-4C), Male x Female
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Laars 2400-346 1st Elbow, 3" (SS AL29-4C)
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Laars 2400-340 Vent Exhaust Pipe3" x 2' (SS AL29-4C)
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Laars 2400-336 Vent Intake Pipe, 5" x 2' - 3 1/2' Adjustable Stainless Steel
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Laars 2400-030 Thermostatic Union
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Laars R0560701 Harness For Gas Valve (30-219)
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Laars 2400-574 Pressure Gauge, 0-75 psi
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Laars 2400-141 Condensing Valve Plunger Cartridge Assembly, w/ Tool Kit
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Laars 2400-445 Tank Sensor - (2 required on EBP)
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Laars 2400-562 Transformer
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Laars 2400-508 Insulation, Boiler Cover
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Laars 2400-342 Vent Exhaust Pipe, 3" x 2' - 3 1/2' Adjustable (SS AL29-4C)
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Laars 2400-350 Flue Adaptor, 3" w/ Vent Exhaust Pipe, 3" x 2' - 3 1/2' (SS AL29-4C)
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Laars 2400-416 Concentric Rain Cap (for vertical concentric)
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Laars 2400-556 Sensor, Boiler Return
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Laars 2400-344 Vent Exhaust Pipe w/ Terminal
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Laars 2400-419 3"/5" 45 Elbow
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Laars 2400-552 Boiler Flow Tank Sensor - OPN 2400-554
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Laars 2400-506 Insulation, Coil Cover
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Laars 2400-142 Adjustable Combustion Air Inlet Orifice Kit
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Laars 2400-452 3"/5" Concentric Terminal w/ Screen - Replaces 2400-406
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Laars 2400-422 3"/5" Concentric Vertical Termination Adapter
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