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Sensor Type
Door / Window
Contact Closure / Relay
Normal State
Normally Closed
Ease of Installation
Intermediate (Installs < 60 minutes)
United Security
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Hidden Contact for Doors, Windows, and More
United Security Products A1-D Twist Loc Arrowhead Magnetic Contact
United Security Products A1-D Twist Loc Arrowhead Magnetic Contact
United Security Products A1-D Twist Loc Arrowhead Magnetic Contact
Item# 79653WH
Price: Normally $4.40 
Hot Deal $2.19
Free shipping on orders over $175 - See Details


  • High Tech Plastic Composite Offers Features Of Twist Loc and the Affordability of a Press Fit
  • 1"+ Gap
  • 3/8" Diameter
  • 100 Million Life Cycle Operation
  • Closed Circuit
  • One Turn Locks in Place, One Turn Removes for Tests

Essential Info

Get more profit, reliability, and gap with the new United Security Products A1-D Twist Loc Arrowhead Magnetic Contact. They are stubby size, utilize rare earth magnets and are made with hi-tech materials that self-thread into 3/8" drilled wood and thin metal jambs and frames. You will love the low cost and easy installation.
Important notes:
Defective exchanges for identical item within 30 days of purchase. After 30 days, please contact the manufacturer.
Manufacturer contact information: United Security Products Inc / Emer Call, Tel: (858) 413-0149


1 Ratings
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Average Customer Rating
(1 customer ratings)
Share your thoughts with other customers
DONALD -- brookfield, WI   1/31/2014
I had a shipment issue with parts and Smarthome corrected the problem quickly. You find out about companies when things go wrong, so they did well. Relative to the part, have not applied it yet.

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