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A-1's Refrigeration Division is the original manufacturer of the Magni-Chek check valves, line tap valves and Allin sight glasses. This division also carries complete lines of copper spun driers, strainers and fittings. The Rho-Sigma Division is the original manufacturer of the Linebacker Series of electronic timers and motor protectors. In addition, Rho-Sigma custom designs and manufactures electronic controls for most major OEM's.
The Cam-Stat Division is also an original manufacturer of a wide variety of fan/limit controls and time delay relays. Over the years, Cam-Stat has grown to be the number one supplier of fan/limit controls to most major OEM's and the aftermarket sector.
Product Lines
- Linebacker
- Cam-Stat
- Magni-Check
- Line Tap Valves
- Vibration Absorbers
- Allin Liquid Eye
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