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Kolpak 550008317 is an electronic temperature control with an integrated defrost timer designed for commercial refrigeration equipment. The unit provides temperature regulation and air defrost management, and is a genuine OEM replacement for the Penn A421ABD model. The control measures 4.15 x 4.15 x 12.4 in and weighs 1.07 lbs, sold as an individual replacement part for compatible Kolpak units.
Electronic temperature control with integrated defrost timer, OEM replacement for Penn A421ABD, fits select Kolpak refrigeration models.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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