
Clack (C2251)-Clack Ret. Tank, 80 Gal 21" x 69"
Clack C2251 Retention Tank — 80 Gallon Capacity
The Clack C2251 retention tank delivers 80 gallons of chemical retention capacity in a compact 21" diameter footprint. Built with a corrosion-resistant polyethylene liner and grey fiberglass exterior, this tank is engineered for commercial water softening and filtration systems requiring reliable chemical contact time. Ships complete with 1190RT head, solvent fittings, and NPT adapters for immediate installation.
Engineered for Commercial Water Treatment
Top-Mount Plumbing
1190RT IN/OUT head with convenient top piping eliminates floor-level connections. Includes 1-1/4" x 1-1/2" PVC solvent fittings and 1-1/4" male NPT adapters.
Enhanced Mixing Baffle
Integrated baffle diffuser promotes thorough chemical and water contact throughout the 80-gallon volume for consistent treatment results.
Corrosion-Resistant Construction
Black one-piece polyethylene inner liner with grey fiberglass and epoxy resin exterior withstands chemical exposure and physical impact.
Full Drain System
1" blow-down drain at lowest tank point with 360° orientation flexibility for complete system servicing and maintenance.
Compact Footprint
21" diameter x 69" height maximizes capacity while fitting standard equipment spaces in mechanical rooms and treatment facilities.
Professional Ratings
75 PSI maximum operating pressure, 120°F maximum temperature rating. Backed by Clack Corporation 5-year limited warranty.
System Integration
The Clack C2251 retention tank integrates with commercial water softener systems, iron filtration equipment, and multi-stage treatment installations requiring chemical retention. Compatible with Clack control valves and backwash systems. The 1190RT head accepts standard 1-1/4" to 1-1/2" plumbing connections. Bypass valve optional. Ideal for municipal water treatment facilities, industrial process water systems, hotels, hospitals, and commercial buildings with hard water or iron contamination.
Clack Corporation has manufactured reliable water treatment components for professional installers since 1946.
Clack C2251 Retention Tank — 80 Gallon Capacity
The Clack C2251 retention tank delivers 80 gallons of chemical retention capacity in a compact 21" diameter footprint. Built with a corrosion-resistant polyethylene liner and grey fiberglass exterior, this tank is engineered for commercial water softening and filtration systems requiring reliable chemical contact time. Ships complete with 1190RT head, solvent fittings, and NPT adapters for immediate installation.
Engineered for Commercial Water Treatment
Top-Mount Plumbing
1190RT IN/OUT head with convenient top piping eliminates floor-level connections. Includes 1-1/4" x 1-1/2" PVC solvent fittings and 1-1/4" male NPT adapters.
Enhanced Mixing Baffle
Integrated baffle diffuser promotes thorough chemical and water contact throughout the 80-gallon volume for consistent treatment results.
Corrosion-Resistant Construction
Black one-piece polyethylene inner liner with grey fiberglass and epoxy resin exterior withstands chemical exposure and physical impact.
Full Drain System
1" blow-down drain at lowest tank point with 360° orientation flexibility for complete system servicing and maintenance.
Compact Footprint
21" diameter x 69" height maximizes capacity while fitting standard equipment spaces in mechanical rooms and treatment facilities.
Professional Ratings
75 PSI maximum operating pressure, 120°F maximum temperature rating. Backed by Clack Corporation 5-year limited warranty.
System Integration
The Clack C2251 retention tank integrates with commercial water softener systems, iron filtration equipment, and multi-stage treatment installations requiring chemical retention. Compatible with Clack control valves and backwash systems. The 1190RT head accepts standard 1-1/4" to 1-1/2" plumbing connections. Bypass valve optional. Ideal for municipal water treatment facilities, industrial process water systems, hotels, hospitals, and commercial buildings with hard water or iron contamination.
Clack Corporation has manufactured reliable water treatment components for professional installers since 1946.
Description
Clack C2251 Retention Tank — 80 Gallon Capacity
The Clack C2251 retention tank delivers 80 gallons of chemical retention capacity in a compact 21" diameter footprint. Built with a corrosion-resistant polyethylene liner and grey fiberglass exterior, this tank is engineered for commercial water softening and filtration systems requiring reliable chemical contact time. Ships complete with 1190RT head, solvent fittings, and NPT adapters for immediate installation.
Engineered for Commercial Water Treatment
Top-Mount Plumbing
1190RT IN/OUT head with convenient top piping eliminates floor-level connections. Includes 1-1/4" x 1-1/2" PVC solvent fittings and 1-1/4" male NPT adapters.
Enhanced Mixing Baffle
Integrated baffle diffuser promotes thorough chemical and water contact throughout the 80-gallon volume for consistent treatment results.
Corrosion-Resistant Construction
Black one-piece polyethylene inner liner with grey fiberglass and epoxy resin exterior withstands chemical exposure and physical impact.
Full Drain System
1" blow-down drain at lowest tank point with 360° orientation flexibility for complete system servicing and maintenance.
Compact Footprint
21" diameter x 69" height maximizes capacity while fitting standard equipment spaces in mechanical rooms and treatment facilities.
Professional Ratings
75 PSI maximum operating pressure, 120°F maximum temperature rating. Backed by Clack Corporation 5-year limited warranty.
System Integration
The Clack C2251 retention tank integrates with commercial water softener systems, iron filtration equipment, and multi-stage treatment installations requiring chemical retention. Compatible with Clack control valves and backwash systems. The 1190RT head accepts standard 1-1/4" to 1-1/2" plumbing connections. Bypass valve optional. Ideal for municipal water treatment facilities, industrial process water systems, hotels, hospitals, and commercial buildings with hard water or iron contamination.
Clack Corporation has manufactured reliable water treatment components for professional installers since 1946.












