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.
Call us now at (617) 532-1013