Mushroom" Vent Terminal; Connections To The Air Box - Lochinvar 300 Installation And Operating Manual

"Mushroom" Vent Terminal

Figure 24.
AIRBOX
INTAKE
PIPING
Figure 25.

Connections To The Air Box

1. Slide an O-ring over each of the fittings on the air box.
Note: An appropriate sized O-ring can be ordered from
the heater manufacturer. Request kit number 100269737.
2. Slide the exhaust vent piping over the exhaust fitting
on the air box. Ensure the O-ring remains in place
between the piping and the fitting.
3. Slide the air intake vent piping over the air intake fitting
on the air box. Ensure the O-ring remains in place
between the piping and the fitting.
4. Drill 7/64" pilot holes for a #8 screw (see Figure 26).
Take care not to damage the O-ring.
5. Secure the vent piping to the air box with screws (see
Figure 26).
100304522_2000545236 _Rev. 02
"MUSHROOM"
VENT TERMINAL
EXHAUST
PIPING
www. lochinvar .com
SCREW O-RING
VENT
PIPING
Figure 26.
3" VENT 3" VENT
PIPING PIPING
(INTAKE) (EXHAUST)
29