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Section 4 Model 288A Differential Pressure Indicating Switch
Table 4.1—Parts List, Model 288A Indicating Switch
Item Description Part No. Per Unit
43 Washer, Flat, #3, SST (5 per switch) 9A-C0003-0045K A/R
44 Bezel Assembly (Bezel, Lens Cover, and Gasket) 9A-C0277-0018B 1
Bezel (part of 9A-C0277-0018B) 9A-C0277-0029C
Lens Cover (part of 9A-C0277-0018B) 9A-C0181-0038C
Gasket (part of 9A-C0277-0018B)* 9A-C0277-0026C
45 Disc, Sealer, 1/2" (w/3M 468 Adhesive) 9A-C0192-1035T 1
46 Washer, Split Lock, #8, SST (1 per switch) 9A-C0003-0036K A/R
47 Sealing Compound, RTV 103 9A-C0006-1001V A/R
48** Scale Plate 1
White 9A-C0288-1014C
Black 9A-C0288-0031C
49* Pointer Assembly 1
White 9A-C0288-0030B
Black 9A-C0288-0031B
Low Relay Assy
(with Tefzel insulated wires)
Coil Voltage Wired SPDT Wired DPDT
115 VAC 9A-CS666-0238Z 9A-CS666-0245B
110 VDC 9A-CS666-0231Z 9A-CS666-0256B
1
High Relay Assy
(with Tefzel insulated wires)
Coil Voltage Wired SPDT Wired DPDT
115 VAC 9A-CS666-0237Z 9A-CS666-0246B
110 VDC 9A-CS666-0230Z 9A-CS666-0279B
1
Spacer, Switch Plate (1 per switch, used w/
single high switch or 3 independently adjust-
able switches when #3 position is not used, not
shown)
9A-C0258-0007C 1
Screw, Switch Lock Hole Filler (if switch is not
installed, 1 per switch, not shown)
9A-C0111-0028J A/R
* Recommended spare part
** If the scale plate is not identifi ed with an SCR number, provide the following infor-
mation:
Square root or linear graduations,
Scale (e.g., 0-100, 25-0-100, etc.)
Number of graduations (linear scales only)
Data (e.g., PSI, bar, inches of water column, meter, etc.)
Additional Notes:
1. A/R indicates as required.
2. When ordering parts, specify serial number of instrument.
3. For 224 DPU parts, refer to Table A.4, page A-18.
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