Outdoor Installation Venting Guidelines; Indoor Venting - General Requirements (Category I And Category Iii Requirements) - Pentair MASTERTEMP 125 Guía De Instalación Y Usuario

OUTDOOR INSTALLATION
SIDE VIEW
6 in
Exhaust Grill
(Vent)
Building
INDOOR VENTING — General Requirements
The heater may be installed as a Category I or Category III appliance.
Vented Appliance (Category I) –
An appliance that operates with a nonpositive vent static pressure and with a vent gas temperature that avoids excessive
condensate production in the vent, see
Vented Appliance (Category III) –
An appliance that operates with a positive vent static pressure and with a vent gas temperature that avoids excessive
condensate production in the vent, see
If you are considering connecting this heater to a pre-existing vent system, make sure that the vent system meets the
appropriate venting requirements as given in this manual on
a draft hood with this heater.
125 heater is are capable of a 270-degree discharge rotation and operate with a positive vent static
®
The MasterTemp
pressure and with a vent gas temperature less than 400° F (204° C). The total length of the horizontal run must not
exceed the length that is listed in
Rev. C 3/2019
VENTING GUIDELINES
From building wall
Vertical only
pages 20-22.
Vertical or Horizontal
pages 23-25.
page 19.
Table 4 on
Section 3. Installation Instructions
3'
4'
Force
Air Inlet
Vent Termination:
Must be at least 3 ft. above any forced
air inlet located within a 10 ft. radius.
Must be located 6 in. away from the building
wall and the following distances away from any building
wall openings, included but not limited to vented eaves,
doors, windows, gravity air inlet:
4 ft. below,
4 ft. horizontally
pages 18-27. If not, replace the vent system. DO NOT use
MASTERTEMP 125 Pool and Spa Heater Installation and User's Guide
From window or door
4'
4'
Property Line
Figure 9.
17