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Fig 4: Some Venting Guide Suggestions
An approved side wall vent terminal must be used when the water heater is vented through a side
wall. Locate in accordance with ANSI Z223.1 and local applicable codes. See Fig 5 for restrictions
in location of vent terminal in relation to opening doors and windows, grade, and forced air inlets.
Be certain that snow and ice will not interfere with the vent.
Approved Vent Terminal
(FXHOOD or other approved terminal)
The FXHOOD is design approved with the
Aquastar 125FX and has a built in back draft
flapper to prevent negative air from freezing the
Aquastar – see Fig. 5 for restrictions in location
of vent terminal.
G181_274
Approved Vent Terminal
(FXHOOD or other approved terminal)
The FXHOOD is design approved with the
Aquastar 125FX and has a built in back draft
flapper to prevent negative air from freezing the
Aquastar – see Fig. 5 for restrictions in location
of vent terminal.
4”single wall venting only. Use
stainless steel (AL29-4C) or
galvanized pipe of 26 minimum
gauge must be used. Each
connection must be properly
sealed.
4”single wall venting only. Use
stainless steel (AL29-4C) or
galvanized pipe of 26 minimum
gauge must be used. Each
connection must be properly
sealed.
HORIZONTAL SIDE WALL
* Maximum 15 feet with 2 elbows.
Deduct 5 feet for each additional elbow.