Laars EDN175 Endurance Non-Ferrous Hydronic Boiler

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Price: Discontinued

Item Number: 11726

Manufacturer Name: Laars Heating Systems Company

Manufacturer Part No: EDN175

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Laars EDN175 Endurance Non-Ferrous Hydronic Boiler

Specifications:

Input (MBTU/h): 102.9-175.3
Input (kW): 30.1-51.4
Output (MBTU/h): 88.6-151.0
Output (kW): 25.4-44.2
AFUE%: 86.1
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 6temperatures: supply water, return water, tank water (EBP only), heatexchanger temperature rise, outdoor air temperature (when outdoor resetis used), and calculated setpoint (when outdoor reset is used)
Controls LEDs indicated pump energized, attempt to ignite and gas valve energized
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 39ÃƒÃ‚Â°F
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 unitedstore 20 gallons of boiler water to provide instantaneous domestic hotwater production through a brazed plate heat exchanger, with DHWpriority
20 Year limited warranty