Installation and Operating Instructions Addendum
High Efficiency Condensing Combi Boiler
99,000 & 125,000 Btu/hr Models
160,000 & 199,000 Btu/hr Models
This addendum replaces the version found in the High Efficiency Condensing Combi Boiler 99,000 & 120,000 Btu/hr and 160,000 & 199,000 Btu/hr Installation and Operating Instructions dated April 2022.
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- 1 x Propane Conversion Kit: Part # P-081034 (99,000 Btu/hr) or Part # P-081054 (125,000 Btu/hr) or Part # P-081744 (160,000 Btu/hr) or Part # P-081014 (199,000 Btu/hr)
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⚠️ NOTE
Combustion air connection may be moved from one side to the other:
- Remove the retaining clip screws then lift tab at back of plug and rotate 1/8th of a turn counter-clockwise to remove from top of cabinet.
- Remove the retaining clip by removing both screws then lift tab at back of combustion air connection and rotate 1/8th of a turn counter-clockwise to remove from top of cabinet.
- Reinstall plug and combustion air connection in the desired locations then rotate 1/8th of a turn clockwise until tab latches into the top of the cabinet.
- Reinstall the retaining clip over the combustion air connection tab and secure with two screws. Reinstall two screws in the top of the cabinet near the plug.
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PROPANE ORIFICE CHART
| MODEL | ORIFICE SIZE |
|---|---|
| 99,000 Btu/hr | 327 |
| 125,000 Btu/hr | 392 |
| 160,000 Btu/hr | 440 |
| 199,000 Btu/hr | 535 |
NATURAL GAS ORIFICE CHART
| MODEL | ORIFICE SIZE |
|---|---|
| 99,000 Btu/hr | 415 |
| 125,000 Btu/hr | 480 |
| 160,000 Btu/hr | 580 |
| 199,000 Btu/hr | 660 |
Document Number: 900-804, August 2022