Pentair MASTERTEMP 125 - Page 55

MASTERTEMP 125 Pool and Spa Heater Installation and User’s Guide P/N 475114 Rev. F 8/2020
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MASTERTEMP 125 HEATER REPLACEMENT PARTS
REPAIR PARTS – WATER SYSTEM
Model
Key
Part
MT125 NA
MT125 LP
No.
Description
Qty.
1Tube Sheet Coil Assembly Kit
(Includes Key No.3)
2Manifold
Kit (Includes Key
Nos. 3-11. Key No.12 and 13 not included.
Key Nos. 5-7 in “Electrical
System”, Page
53
1
475148
3Coil/Tubesheet Sealing O-Ring Kit
474973
4
Manifold
Bottom
Plate (*)
5M
anifold
O-Ring (*)
1
1
1
6
Manifold Baf
fle Plate (*)
7M
anifold Bypass V
alve (*)
1
1
8W
ater Pressure
Switch 42001-0060S
9 Manifold (*)
1
10
5/16"Washer,
Stainless Steel (*) 6
11
5/16x18x2-3/4"H
ex Cap screw (*) 6
1474989
12
Thermal Regulator
13
Pressure Relief V
alve
(Recommended
(Purchase
Separately) 1
473715Z
1
1
3
4
5
2
8
11
9
-
-
-
-
-
-
-
12
6
10
7
-
(*) Not available separately
13
1474974
14 1-1/2” Union Kit
14
1 475180
(HD Cupro-nickle) NA, LP
Section 5. Replacement Parts