Disinfection · Sentry I
Dry Pellet Chlorinator
This product shines when your well water doesn’t. Commonly used for iron bacteria, light iron, and light rotten-egg odor, it provides the first stage of a well-water treatment system and helps protect the well.
Overview
Dry-pellet chlorination
The Dry Pellet Chlorinator introduces calcium-hypochlorite pellets to support chlorination in well-water systems. It is commonly used where consistent disinfection is part of the treatment approach.
It is designed for dealer installation and routine service, with attention to consistent dosing.

Common applications
Where this system is commonly used
Biological
Iron bacteria
Chlorination is commonly used as part of programs that may help address iron-bacteria conditions.
Disinfection
Consistent dosing
Designed to support consistent chlorination in well-water systems.
Odor
Sulfur conditions
Chlorination is sometimes used alongside aeration where sulfur is present.
System fit
How it fits into a treatment system
The Dry Pellet Chlorinator is typically positioned to introduce chlorine ahead of the components and contact time that follow in the system.
It is frequently paired with a Flow Meter to support accurate setup, and with aeration or filtration depending on the application.
Key features
Key features
- Dry-pellet (calcium hypochlorite) chlorination
- Designed to support consistent disinfection
- Built for dealer installation and service
- Commonly paired with flow measurement
- Manufacturer dealer support
Literature
Manuals & spec sheets
Related
Related products

BWI Chlorine Pellets
NSF-certified 1-gram pellets — sanitize wells, pumps & tanks, and refill the chlorinator.
View product
Flow Meter
The must-have tool for water-system diagnostics. Whether installing a water-treatment system or a sprinkler system, this tool provides accurate GPM measurement at varying pressures.
View product
Well Safe®
Well-sanitizing products for routine and post-service treatment.
View product