Burner Components - Bock Water heaters 20e Installation & Operating Instructions Manual

Residential oil-fired water heaters installation, operation & maintenance instructions
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BURNER COMPONENTS

ITEM
DESCRIPTION
1.
Cold Water Inlet Dip Tube
(N/A 33E & 40E)
2.
Plastic Cap
3.
Magnesium Anode Rod
(aluminum avaliable)
4.
Name Plate/Rating Label
6.
Immersion Well & Aquastat
8.
Drain Valve
9.
Mounting Bracket Gasket
10. Burner Mounting Bracket
(part of jacket assembly on Models
20e, 32E through 51 Series; sold
separately on 71E and 120E)
11. Bottom Pan
12. Combustion Chamber Sleeve
13. Combustion Chamber
14. Inspection Block
15. Inspection Door
16. Inspection Door Gasket
17. Heater Jacket
18. Tank
19. Hot Out Nipple
51 Series: 1"
AlI others: 3/4"
50ES: N/A
20. Top Pan
21. Burner
22. Primary Relay
23. Cad Cell
– 9 –
ITEM DESCRIPTION
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
OIL FIRED WATER HEATER
BURNER COMPONENTS LIST
Motor
Blower Wheel
Burner Housing
Motor Cord Cover
J-Box
Transformer
Housing Cover
Slot Cover Plate
Inner Air Band
Outer Air Band
Coupling (not shown)
BOCK TANK ASSEMBLY
When ordering repair parts, always give
the part name, model number, size and
serial number.
ITEM DESCRIPTION
12.
Oil Line Assembly
13.
Fuel Unit
14.
Elbow
15.
Gun Assembly
16.
Air Tube
17.
Flange
18.
Air Cone
19.
Gasket
20.
Nozzle
(not shown)
21.
Relay
22.
Cad Cell
PARTS LIST
Handhole cover plate and gasket
(for 50ES only) not shown.

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