Glossary Of Terms - Bradford White MII Series Service Manual

Item Description
1 Anode.
2 Hot Water Outlet Nipple.
3 T&P Nipple.
3A T&P Coupling.
4 T&P Relief Valve.
5 High Limit Switch.
5A Surface High Limit Switch.
6 Hex Nut
7 Lock Washer
8 Screw
9 High Limit Spacer.
10 Cleanout O-Ring.
10A Cleanout Gasket (ASME).
11 Cleanout Cover.
11A Cleanout Cover (ASME).
12 Cleanout Cover Screw.
12A Cleanout Cover Screw (ASME)
13 Cleanout Access Cover.
14 Brass Drain Valve.
15 Escutcheon.
16 Drain Extender.
17 Thermostat Dial
18 Screw.
19 Immersion Thermostat.
20 Heating Element.
21 Surface thermostat Bracket.
22 Surface Thermostat.
23 Surface Thermostat Cover.
24 Lower Control Box Cover.
25 Heating Element Plug.

Glossary of Terms

Term Definition
Voltage - Electrical potential
Current- Rate of voltage flow
Resistance- Ability of a device to dissipate
power irreversibly
Energy- Ability to do work
Power- Energy per unit of time
One kilowatt (1kW) = 1,000 Watts. = 3,412 BTU
DC = Direct Current
AC = Alternating Current
Hz = Hertz
°F = Degrees Fahrenheit
°C = Degree Centigrade
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Unit of measure
Volts
Amperes (amp)
Ohms
kW/hr, Joule
Watts, kW, VA
BTUH = British thermal units per hour
PSI = Pounds per square inch
GPM = Gallons per minute
GPH = Gallons per hour
ECO = Energy cut off
NPT = National pipe thread
ASME = American Society of Mechanical Engineers
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Generic Parts List
Description
Heating Element Gasket.
Cold Water Inlet Nipple.
Plastic Snap Bushing.
Lower Control Box.
Upper Control Box.
Terminal Block (Block A)
Terminal Block End (used for block A).
Terminal Block 2 pole.
Terminal Block 3 Pole.
Screw.
Fuse Block 2 Pole Class G
Fuse Block 3 Pole Class G
Fuse Block 3 Pole Class J
Contactor 3 Pole.
Contactor 4 Pole.
Screw.
Contactor Coil
Fuse Class G
Fuse Class J
Fuse Class J
Ground Lug Small.
Ground Lug Large.
Screw.
¾ NPT Plug.
Transformer - 120V
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