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Each sale is forone test switch withone key. These stations were installed in a school for 20 years and were removed in working condition. They were attached to Simplex 4098-9752 Duct Detectors. The Remote Test Station "provides a remote red LED status indicator and a remote test key switch mounted on a single gang stainless steel plate.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.