Operational Information

We DO NOT use multiple choice menu driven voice mail in response to your important telephone call.

WE ANSWER THE TELEPHONE with actual human beings experienced in taking your order for standard products or providing technical application assistance.

Our order desk is open 8:00 to 4:30 (PST), Monday through Friday.

Our FAX is (805) 988-6804

Our E-Mail address is harwil@harwil.com

Technical Application Assistance

In depth technical information to help you select the optimum HARWIL product for your particular application is as close as your computer or telephone.

Tel: (805) 988-6800, FAX (805) 988-6804, E-Mail: harwil@harwil.com
We can modify standard units for special applications.
We also design and manufacture completely new models for O.E.M applications.

Emergency Deliveries

Our half-century history of supplying support items such as level controllers, fluid flow and liquid level switches to a broad spectrum of industries has “burned” into our collective brains the importance of fast delivery of emergency orders to keep our customers “on line”. To this end we:

Attempt to keep reasonable numbers of all standard models in stock, i.e. physically on our “emergency shelf” for instantaneous delivery of small orders.
We have shipped orders received by 9:00 am local time that same day.

Harwil - Model L-21N - Level Switch - Instructions Manual