21 Barnstead |Thermolyne • 800-553-0039
General Maintenance Parts
General Maintenance Parts. General maintenance parts are defined as laboratory level repair parts
which do not require great expertise or special tools for installation. Barnstead/Thermolyne recommends
that the USER stock the general maintenance parts as an aid to ensuring the continued operation of this
equipment.
Recommended Quantity
Description Cat No. 3-module 4-module
O-ring (between heads) 06440 2 2
O-ring (head seal) GSX28 3 4
O-ring (cartridge seal) GSX27 3 4
Drive Pins FP550X1 4 4
Connector (head to
head)
BR550X4 1 1
Adapter (head end) BR550X2 1 1
Valve 02273 1 1
Check Valve 02214 1 1
Safety Stock
Safety Stock. For critical applications where performance with MINIMUM downtime is required,
Barnstead/Thermolyne recommends that the USER maintain a local stock of those parts listed under
“General Maintenance” and "Safety Stock.” In the event of component failure, this stock can be drawn
upon by USER or Barnstead/Thermolyne technicians, thereby, avoiding unnecessary delays in delivery of
replacement parts.
Recommended
Quantity
Description Cat No. 3-module 4-module
Resistivity Meter 100
VAC
D2770 1 1
Resistivity Meter 120
VAC
D2770 1 1
Resistivity Meter 240
VAC
D2770 1 1
Recirculation Pump -
100 & 120VAC PU582X1A 1 1
Recirculation Pump 240
VAC
PU582X2A 1 1
Cartridge Head BK550X2 1 1
Cartridge Canister CS550X1 1 1
Pressure Regulator 02280 1 1