| | Downstairs air blower, cameo from miter saw. |
| | | New gas boiler (Viessmann) with standby tank. |
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| | Note the electrical box. The Viessmann requires its own transformer. |
| | | Control panel. Condensing boiler discharges through a pH filter. |
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| | This is the old oil burner, not long for this world. |
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