Laars MFTHW199 - Vent; Air Pipe Termination

Mascot FT, Heating Only, Boiler
Page 27
4.8Vent/AirPipeTermination
Note : For using more than 1 elbow in your
vent pipe, reduce maximum allowable length
• 5 feet (1.5M) for each additional 3-inch
90-degree elbow
• 2.5 feet (0.75M) for each additional 3-inch
45-degree elbow
• 8 feet (2.4M) for each additional 2-inch
90-degree elbow
• 4 feet (1.2M) for each additional 2-inch
45-degree elbow
• The thickness of the wall vents installed :
Min 4˝ ~ Max 20˝
Figure 3. Horizontal Vent Termination
• Direct Vent - Sidewall Terminations
VENT
AIR INLET
Vent Termination
1. Rodent Screen Installation
• Install Rodent Screen and Vent Terminal
(additional purchase), see Figure for appropriate
conguration.
• After connecting vent/air inlet terminal, it is
required to install screen for the terminal to
prevent incoming of rodent, which might cause
damage to the unit. (Extra purchase accessory
2/3˝ screen vent 1/4˝ mesh)
VENT
AIR INLET
Horizontal Vent Termination (cont)
• Direct Vent - Optional Sidewall
Snorkel Terminations
Figure 4.