HydroTherm 42-9158, Installation Manual And Replacement Parts List

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ORDERING INFORMATION
When ordering replacement parts,
provide the model and serial num-
ber shown on the unit rating plate
as well as the part number and
name as shown in the parts list.
Parts may be obtained from your
local Hydrotherm heating contrac-
tor.
MODEL MG REPLACEMENT PARTS LIST
1 Absorption Unit BM-3111 1
2 Section, Base BM-9688 1
3 Section, Middle BM-9689 3
Section, Middle (1/2" tap) BM-9690 1
4 Section, Top BM-9691 1
5 Push Nipple 53-1373 5
6 Dome - 8" 01-2105 1
7 Hi-Limit Aquastat (L4006A) BM-4897 1
9 Tie Rod- 5/16 x 20" with N. & W. 57-1014 2
10 Double-swing Barometric Draft Control BM-5298 1
11 Base Assembly w/combustion chamber BM-3303 1
12 Combustion Chamber BM-8192 1
13 Gas Burner (Refer to Hydrotherm 1
Commercial Trade Price Book)
14 T/P Indicator (For 30# R.V.) MO Only 20-1015 1
Temp./Press. Indicator (For 50# R.V.) 20-1003 1
Temp./Press. Indicator (For 75/100# R.V.) 20-1011 1
16 Press Relief Valve – 30 psi 22-1203 1
Press Relief Valve – 50 psi 22-1200 1
Press Relief Valve – 75 psi 22-1803 1
Press Relief Valve – 100 psi 22-1201 1
17 Bracket, Dome 55-3800 2
18 Tube Ass'y-Observation Port 03-2456 1
19 Filler Pad 45-1120 2
27 Cover - Observation Port 03-2458 1
28 Front Panel-Chamber Hsg.-Separately 03-2422 1
29 Drain Cock 51-1203 1
Jacket - Complete 03-1071 1 03-1073 1
Left Side Panel 03-1071.1 1 03-1071.1 1
Right Side Panel 03-1071.2 1 03-1071.2 1
Front Panel 03-1071.3 1 03-1073.3 1
Rear Panel - Lower 03-1071.4 1 03-1073.4 1
Rear Panel - Upper 03-1071.5 1 03-1073.5 1
Left Top Panel 03-1060.4 1 03-1060.4 1
Center Top Panel 03-1060.5 1 03-1060.5 2
Right Top Panel 03-1060.6 1 03-1060.6 1
Rear Cover Plate 03-1081 2 03-1081 3
27
PART NO. 770 PART NO. 1155
MULTI-TEMP JACKET PARTS LIST
"A" BATTERY (2 MODULES)
MULTI-TEMP JACKET PARTS LIST
"B" BATTERY (3 MODULES)
MG
REF 385
NO. NAME OF PART PART NO. MOD