DSC PRM-4W Polarity Reversal Module for 4-Wire Smoke Detector With Accessories 134400234285 Includes Block Heater Model 75838-286

Includes Block Heater Model 75838-286

Manufacturer Nikon Model Number Plan Fluor SKU 19-77433 Ref 23-111285

Manufacturer Crestron Model Number CP4N SKU 19-73383 Ref 23-118505

Manufacturer Virtis Model Number Cyclone I

Manufacturer Canon Model Number EF 28-90mm 1:4-5

DSC PRM-4W Polarity Reversal Module for 4-Wire Smoke Detector With Accessories 134400234285 Includes Block Heater Model 75838-286Condition Used Description Item was recently removed from working service and is in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in excellent condition showing minimal signs of previous use. Includes Polarity Reversal Module, Wire, and Screw Anchors as pictured. No additional items or accessories are included. Photos are of the actual unit for sale. Inventory is on hand and ready to ship. Please feel free to message us