Pentair MASTERTEMP 125 User Manual

P/N 475114 Rev. F 8/2020 MASTERTEMP 125 Pool and Spa Heater Installation and User’s Guide
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Outlet Air
Opening
Inlet Air
Opening
Chimney or Gas Vent
Vent Cap and
Riser Furnished
by Installer
Side
Wall Vent
Heater
Chimney or Gas Vent
Vent Cap and
Riser Furnished
by Installer
Side
Wall Vent
Outlet Air Opening
Inlet Air Opening
Figure 17.
Figure 18.
Outlet Air
Opening
Inlet Air
Opening
Chimney or Gas Vent
Vent Cap and
Riser Furnished
by Installer
Side
Wall Vent
Heater
Chimney or Gas Vent
Vent Cap and
Riser Furnished
by Installer
Side
Wall Vent
Outlet Air Opening
Inlet Air Opening
Figure 19.
0.3 m (1 ft) min.
1.2 m (4 ft) min.1.2 m (4 ft) min.
1.2 m (4 ft) Min.
76 mm (3 in) minimum clearance ifr
horizontal distance to
exhaust opening is less
than 3 m (11 ft).
Forced Air
Inlet
Vent
Te rmination
0.3 m (1 ft) minimum
above snow or
finished grade
(whichever is
higher)
At least 2 m (7 ft)
above grade
adjacent
to public
walkways
Vent
Te rmination
Vent
Te rmination
Gas Meter
Max. 305 mm (12 in)
Min. 76 mm (3 in)
1.2 m
(4 ft)
min.
NOTE: After installation, installer must check for correct and safe operation of the heater.
WARNING
Fire Hazard. Do not run the heater vent into a common vent with any other appliance. Do not run the Special Gas Vent into,
through, or within any active vent such as a factory built or masonry chimney.
Vent Termination – Horizontal (Continued)
Section 1. Installation

Pentair MASTERTEMP 125 Specifications

General

BTU Output	125, 000 BTU/hr
Fuel Type	Natural Gas or Propane
Ignition System	Electronic
Minimum Flow Rate	20 GPM
Maximum Working Pressure	50 PSI
Efficiency	82%
Water Connections	1.5 inch
Certifications	ANSI Z21.56
Voltage	120V