Welcome to the Harwil Downloads Page. Here you will find the most current copies of our technical data sheets. There’s nothing worse than needing to download something on a website, but not being able to find it. Harwil Product Installation Instructions are located on each product's information page.
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|Full Catalog||Level Switches|
|Catalog – Harwil’s complete line of fluid control products.||L-5, L-5SS – Heavy Duty brass or stainless|
|Line Card – A brief overview of Harwil Fluid Control Switches||L-8N, L-8CR – Adjustable for a range of specific gravities|
|Flow Switches||L-21N, L-21VCR, L21 PLUS – The “Industry Standard” wide differential level switch.|
|Q-1 – In-line ½ inch low flow detection.||L-30N, L-30CR – Level switch for almost any fluid or slurry|
|Q-4E – In-line 1 inch low flow detection.||L-40N, L-40VCR – Versatile compact level switch for horizontal and vertical uses|
|Q-5 and Q-5SS – The most durable flow switch ever built.||Controllers|
|Q-8N and Q-8CR – Adjustable medium duty for drinking water or chemicals||CF-8 – Chemical Feed Pump Controller Medium – Heavy Duty|
|Q-8DS and QD-8DS – Low cost medium duty for drinking water or chemicals||CF-12 – Chemical Feed Pump Controller with 2 or 4 120V outlets|
|Q-10N and Q-10VCR – Super or standard sensitive 1 inch reed switch.||CF-112 – Chemical Feed Pump Controller with Indicator Lights|
|Q-12N, Q-12DS & Q-12VCR – The “Industry Standard” ½ or ¾ reed switch.||LC-1 – Latching 2 point liquid level controller. Pump-up / Pump-Down|
|Q-16SS – Paddle style 1 inch brass 15 Amp switch||SDC-101 – Run Dry Pump Protection. Shuts Down Pump|