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(800) 872-7720 | (309) 762-7716

Customer Service

Contact us to place an order or inquire about any of our products and services.


Parr Instrument Company 211 Fifty Third Street
Moline, Illinois 61265-1770
(800) 872-7720 or
(309) 762-7716
Fax: (309) 762-9453

3921 Shaker Hydrogenation Apparatus

3921 Accessories

Extra Bottles and Accessories can be ordered under the following part numbers:

3921 Accessories
Part No. Description
71CA Reaction bottle, 1000 mL
71CA2 Reaction bottle, 1000 mL, fiberglassed
72CA Reaction bottle, 2000 mL
72CA3 Reaction bottle, 2000 mL, fiberglassed
72CA4 Reaction bottle, 2500 mL, extra heavy
A129CA Stainless bottle assembly, 1825 mL, with connecting tube and fittings
A159CA3PA Thermocouple assembly, 1 liter
A159CA4PA Thermocouple assembly, 2 liter
A451EEB Heating mantle, 200 watt, 115V
A451EEE Heating mantle, 200 watt, 230V
4833EB Automatic Temperature Controller, 115V 50/60 Hz
4833EE Automatic Temperature Controller, 230V 50/60 Hz
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