Agilent Varian HS-20 HS-16 Lower and Upper Thermal Switch KIT, Diffusion Vacuum Pump Replacement Parts
Agilent Varian Part Number PN L8841301
This is replacement thermal switches for the Lower (boiler) and Upper (water) switches. Fits the Agilent Varian HS-20 HS-16 Diffusion Pump.
Lower Switch Set at 390º F, 199º C. Upper Switch Set at 185º F, 85º C.
For location of the upper and lower thermal switches see figure #9 (diagram exploded view & parts illustration) below.
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ITEM
DESCRIPTION
PART NO.
1
Standard Cold Cap Assembly - Includes 10-32 SST Rd Hd screw & 10-32 SST Hex nut
84358301
1
Water-Cooled Halo Baffle
K1855320
2
Cold Cap Water Connection:
Cold Cap Gasket/Grommet (Kit of 4)
L8839301
Cold Cap Nut & Followers Kit
L8840301
3
Jet Assembly
84350301
4
Jet Coupling
L6367301
5
Foreline Baffle Assembly
84889301
6
Sight Glass Service Kit for Pumps Built Before 1995:
3 Glass Tubes
F1755008
2 Brass Union 1/4 OD x 1/4 MPT
622568108
2 Brass Elbow 69FL 6x4, 169VL6-4
623451012
8 O-ring, Viton, Parker No. 2-011
660892011
8 O-ring, Viton, Parker No. 2-111
660892111
3 O-ring, Viton, Parker No. 2-221
660892221
3 O-ring, Viton, Parker No. 2-213
660892213
F6097301
6
Sight Glass Service Kit for Pumps Built After 1995