Sentry
- Fuel: Gas
- System: Hot Water
- Combustion: Natural Draft, atmospheric
- Capacity: 5 sizes, 34-150 MBH Input
- Efficiency: up to AFUE 84.4%
Sentry is a gas fired hot water boiler that is ideal for a wide variety of boiler requirements using propane or natural gas. The new Sentry Vestibule version features front mounted controls for easy setup during installation and hassle-free maintenance. The Sentry’s classic advanced design provides years of trouble-free, efficient operation while providing easy installation, even in sites with low chimney connections or low overhead clearance.
S-90 and S-120 available in Heating for a Cure pink.
We’ll donate a portion of the proceeds to breast cancer research and support charities.
For more information, click here.
All Sentry models 2021 compliant.
Library


Find the resources and documents for your product.
Go to our library
Professionals


Learn how you can help us, help you.
Learn more
Homeowners


Let our family, serve your family.
View More