Reliable. Economical. Proven.
Buy transfer switches and replacement parts online at Ronk Storefront
Sales: 1-800-221-7665
Service: 1-217-563-8333
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The Vigilant

The Vigilant is here

Ronk’s Automatic Transfer Switch

Your world,


Contact us for pricing and availability

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Get ready for
spring storms

With Ronk Manual
Transfer Switches

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We make it easy
and economical

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Keep motors
running efficiently

Now stocking motor run
and power factor
correction capacitors