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P-153B NG Burner Kit Replacement
Instructions for SL 20-115 G1/G2
Warning
Improper installation, adjustment, alteration, service or maintenance can cause property damage,
personal injury, or loss of life. Read and understand the entire manual before attempting installation,
start-up, operation, or service. Installation and service must be performed only by an experienced,
skilled installer or service agency.
Failure to follow all instructions in the proper order can cause personal injury or death. Read all
instructions, including all those contained in component manufacturers' manuals before installing,
starting up, operating, maintaining, or servicing the appliance.
Warning
The IBC heat exchanger has a small amount of combustion chamber insulation (refractory), which
contains ceramic fibers. When exposed to extremely high temperatures, the ceramic fibers that
contain crystalline silica can be converted into cristobalite, classified as a possible human
carcinogen. Avoid disturbing or damaging the refractory.
If damage occurs, contact the factory for directions. Avoid breathing and contact with skin and eyes
and follow these precautions:
1. For conditions of frequent use or heavy exposure, respirator protection is required. Refer to
the "NIOSH Guide to the Selection and Use of Particulate Respirators Certified under 42
CFR 84" for selection and use of respirators certified by NIOSH. For the most current
information, NIOSH can be contacted at 1-800-356-4676 or on the web at
www.cdc.gov/niosh.
2. Wear long sleeved, loose fitting clothing, gloves and eyes protection.
3. Assure adequate ventilation.
4. Wash with soap and water after contact.
5. Wash potentially contaminated clothes separately from other laundry and rinse washing
machine thoroughly.
6. Discard used insulation in an air-tight plastic bag. NIOSH stated first aid: Eye contact -
Irrigate and wash immediately. Breathing - Provide fresh air
IBC Technologies Inc.
120-388E0
January 09, 2023
Released Document
|
1-844-432-8422
www.ibcboiler.com
1 of 7
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Summary of Contents for IBC P-153B
- Page 1 Warning The IBC heat exchanger has a small amount of combustion chamber insulation (refractory), which contains ceramic fibers. When exposed to extremely high temperatures, the ceramic fibers that contain crystalline silica can be converted into cristobalite, classified as a possible human carcinogen.
- Page 2 Note This P-153B burner kit is for use with natural gas only. For propane gas applications, use P-154B. Natural gas burner (P-153B) Propane burner (P-154B) Note This kit is a revision of a previously existing kit. The letter after the P-kit number indicates the kit version.
- Page 3 Boiler parts diagram SL 20-115 G1 SL 20-115 G2 Gas valve Gas supply line Fan gasket Ignitor Heat exchanger lid Burner gasket Heat exchanger lid gasket Burner Refractory Heat exchanger IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com Released Document 120-388E0 January 09, 2023 3 of 7...
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Page 4: Burner Removal
Torx 25 screws. Retain the gasket between the gas valve and venturi for reinstallation, and ensure that it is intact and free from debris. For LP models there will be a brass orifice installed in the gasket. There is no orifice required for NG models. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com... - Page 5 If present, remove the attached intake port from the underside of the heat exchanger lid. Remove the two set-screws from the fan coupler, and discard. SL 20-115 G1 Intake Port This part not required for the new burner. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com Released Document 120-388E0 January 09, 2023...
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Page 6: Burner Installation
Tighten the two #2 Phillips screws screws by hand, then an extra ⅛ turn. 4. Reconnect the following cables: The ignitor cable The gas valve cable The two electrical connectors to the fan. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com Released Document 120-388E0... - Page 7 6. Test for leaks at the gas valve inlet. 7. Restore the call for heat. 8. Test for proper operation. 9. Perform a combustion test. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com Released Document 120-388E0 January 09, 2023...