We have 11 in stock.
Plug-In transient, surge, lightning, & spike protection for 120-240 Volt condensing units and furnaces. To use, simply plug ZAP-PRO directly into contactor or circuit board, then attach ground strap. This unit works with either 120v or 240v. A fast and convenient way to protect those expensive Units and Circuit Boards from 'dirty' incoming power and spikes.