
Kason 1967-A3 Dual Temperature Display & Switch
- Dual probes monitor cooler & freezer temps
- 9V battery backup with low-battery alert
- Plug-and-play install, no calibration needed
NSF Approval
UL Certification
DOE 2017 Compliance
This page features Michigan-manufactured commercial refrigeration products, including walk-in cooler and freezer doors, sliding doors, French doors, complete walk-in boxes, and essential hardware like hinges, closers, handles, and temperature monitors. Built in Detroit for restaurants, grocery stores, and cold storage facilities, these NSF-approved, UL-certified components ensure reliable, energy-efficient refrigeration performance.














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Leading commercial refrigeration brands include Kolpak, Amerikooler, Master-Bilt, Nor-Lake, US Cooler, Bally, and Polar King. ELT Custom Coolers manufactures doors and hardware that serve as compatible drop-in replacements for all these brands, plus original Kason-branded hardware components trusted throughout the food service and cold storage industry.
Talk to our experts for custom solutions and tailored guidance.

Reliable walk-in cooler and freezer doors keep commercial kitchens compliant and energy-efficient daily.

Durable sliding and swing doors withstand high-traffic backroom cooler and freezer access for retailers.

Heavy-duty sliding doors support forklift and pallet-jack access in warehouses and processing plants.

Heated-frame doors and precise temperature controls protect pharmaceutical, floral, and cannabis cold storage.
Talk to our experts for custom solutions and tailored guidance.
Buy direct from our Michigan factory with no distributor markup, real published lead times, and same-business-day quotes.
Nearly two decades building durable, code-compliant walk-in doors and hardware trusted by restaurants and grocers nationwide.
Every door and hardware component meets NSF food-safety standards and UL safety certifications for reliable performance.
Share your project details and we'll respond same business day with pricing, lead times, and installation guidance.
You can also send us a quick email at sales@eltcustomcoolers.com.
You can also send us a quick email at sales@eltcustomcoolers.com.