• FREE CONSULTATION! 617-532-1013

Sentry Protective Systems can provide service and monitoring for most security systems installed by others.

  • Sentry provides UL Listed central station monitoring for burglary, fire and other emergency situations like low temperature and flood conditions.
  • Sentry provides flexible payment options including discounts for yearly billed services, automatic electronic payment services, credit card payment services and standard billing.
  • Sentry offers superior service and monitoring services. We are proud to be independently owned and operated.

Sentry Total Connect

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Have a security system installed by others?

Yes, Sentry can service and monitor your system

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