Installation Manual

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WHL-016 REV. 3.4.15
NOTE: Due to potential moisture build-up, sidewall venting may not be the preferred venting option. Carefully consider venting
installation and location to save time and cost.
You must insert the provided exhaust and intake screens at your vent termination to prevent blockage caused by debris or birds.
The building owner is responsible for keeping the exhaust and intake terminations free of snow, ice, or other potential blockages, as
well as scheduling routine maintenance. Failure to keep the vent piping terminations clear and properly maintain the boiler could result
in property damage, severe personal injury, or death.
For each floor containing bedroom(s), a carbon monoxide detector and alarm shall be placed in the living area outside the bedrooms,
as well as in the room that houses the boiler. Detectors and alarms shall comply with NFPA 720 (latest edition). Failure to comply with
requirements for detectors and alarms could result in property damage, severe personal injury, or death.
DETERMINE LOCATION OF CONDENSATE PIPING
This is a high efficiency boiler, and therefore produces condensate: a by-product of the combustion process. A condensate collection
system with an internal float switch monitors condensate level to prevent it from backing up into the combustion system. There is a
flexible line that must be piped as shown in Figure 16 to a suitable drain.
NOTE: Check with your local gas company to determine if combustion condensate disposal is permitted in your area. In the state of
Massachusetts, condensate must be neutralized before entering a drain.
Figure 15-1 - Condensate Detail, 15-2 – Condensate Trap Installation