Munchkin VWH High Efficiency Hot Water Supply Boiler Installation & Operating Instructions Manual page 17

Figure 4-1: Sidewall Vent with Tee (Intake) &
Coupling (Exhaust) for standard floor
units
3" piping for 199VWH
4" piping for 399VWH
**IMPORTANT NOTE: All vent pipes must be glued, prop-
erly supported and the exhaust must be pitched a mini-
mum of a ¼" per foot back to the boiler (to allow drainage
of condensate). Always increase pipe in vertical position.
Never increase pipe size in horizontal position.
Figure 4-3: Sidewall Vent with V1000 or V2000 kit
for standard floor units
3" piping for 199VWH
4" piping for 399VWH
**IMPORTANT NOTE: All vent pipes must be glued, prop-
erly supported and the exhaust must be pitched a mini-
mum of a ¼" per foot back to the boiler (to allow drainage
of condensate). Always increase pipe in vertical position.
Never increase pipe size in horizontal position.
DIAGRAMS FOR SIDEWALL VENTING
Figure 4-2: Sidewall Vent with Tee (Intake) &
Coupling (Exhaust) for standard floor
units
3" piping for 199VWH
4" piping for 399VWH
**IMPORTANT NOTE: All vent pipes must be glued, prop-
erly supported and the exhaust must be pitched a mini-
mum of a ¼" per foot back to the boiler (to allow drainage
of condensate). Always increase pipe in vertical position.
Never increase pipe size in horizontal position.
Figure 4-4: Sidewall Vent with 4" concentric vent
kit (KGAVT0601CVT) for standard floor
units
3" piping for 199VWH
4" piping for 399VWH
**IMPORTANT NOTE: All vent pipes must be glued, prop-
erly supported and the exhaust must be pitched a mini-
mum of a ¼" per foot back to the boiler (to allow drainage
of condensate). Always increase pipe in vertical position.
Never increase pipe size in horizontal position.
VENTING
17