Pentair MASTERTEMP 125 Installation And User Manual

MASTERTEMP
®
125 Pool and Spa Heater Installation and User’s Guide Rev. B 8/14
52
MASTERTEMP
®
125 HEATER REPLACEMENT PARTS
REPAIR PARTS – WATER SYSTEM
Model
Key
Part
MT125 NA
MT125 LP
No.
Description
Qty.
1 Tube Sheet Coil Assembly Kit (NA, LP)
(Includes Key No.3) 1
474971
2 Manifold Kit (Includes Key Nos. 3-11. Key No.12 and 13 not included.
Key Nos. 5-7 in “Electrical
System”, Page
53
1
474972
3 Coil/Tubesheet Sealing O-Ring Kit
474973
4 Manifold
Bottom
Plate (*)
5Manifold O-Ring (*) 1
1
1
6 Manifold Baffle Plate (*)
7Manifold Bypass Valve (*) 1
1
8W
ater Pressure Switch 42001-0060S
9 Manifold (*) 1
10 5/16" Washer, Stainless Steel (*) 6
11 5/16x18x2-3/4" Hex Cap screw (*) 6
1 474989
12 Thermal Regulator
13 Pressure Relief Valve (Recommended
(Purchase Separately) 1 473715Z
1
1
3
4
5
2
8
11
9
-
-
-
-
-
-
-
12
6
10
7
-
(*) Not available separately
13
1 474974
14 1-1/2” Union Kit
14
Section 6. Maintenance/Replacement Parts

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