Magnetrol C75 - Model B73; Parts Identification; Switch and Housing Reference

19
46-620 B73 & Series 75 Liquid Level Switches
6.2 Model B73
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1
2
9
7
8
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4
5
3
6.2.1 Parts Identification
Item Description
1 Housing cover
2 Housing base
3 Switch mechanism
4 Jam nuts
5 Lock washer
6 Attraction sleeve
7 Enclosing tube
8 E-tube gasket
9 Chamber assembly
IMPORTANT:
When ordering, please specify:
A. Model and serial numbers or control.
B. Name and/or number of replacement assembly.
Many Model 75 controls are specially tailored to meet customer specifications
and, therefore, may contain special parts. When ordering, always give serial
number of control.
6.2.3 Model B73
Series Type Bulletin #
Mercury A, 3 42-683
Anti-vibration mercury E, 2 42-683
Dry contact B, C, D 42-683
Hermetically sealed F 42-683
Hermetically sealed HS, H1 42-694
Bleed type pneumatic J 42-685
Non-bleed type pneumatic K 42-486
6.2.2 Switch and Housing Reference
Model B73-1 Model B73-2 or B73-4 Model B73-3
Housing cover
See Section 6.2.2, Switch and Housing Reference
Housing base
Switch mechanism
above for switch and housing bulletin furnished.
Attraction sleeve kit
includes items 4, 5, & 6 089-3409-012 089-3410-009 089-3410-011
Enclosing tube Z32-6325-001 Z32-6325-002 Z32-6325-002
E-tube gasket 012-1301-002 012-1301-002 012-1301-002
Chamber assembly Available as complete sensing units only with all parts listed
under items 4 through 10 assembled. When ordering, specify
specify model and serial number of control.