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.
The DSC PRM-2W UA398 Polarity Reversing Module is used to reverse polarity as to reset 2 wire DC smoke detectors as used with the DSC powerseries alarm systems.
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.