The Zurn ZERK-C-HET-TM-S is an EZ Gear-Driven Water Closet Retrofit Kit featuring gear-driven ceramic cartridge technology for commercial restrooms.

Key Specifications:

• Flush Volume: 1.28 gpf (HET)
• Finish: Polished chrome-plated
• Dimensions: 3-15/16" x 4-3/8" x 3-5/8"
• Activation: Electronic sensor with true mechanical override button, diaphragm operation

Related Variants

Features & Benefits:

• Gear-Driven Ceramic Cartridge Technology: Delivers precise, reliable flush performance with motor gear-driven actuation for consistent water closet operation in high-traffic commercial applications.
• Chloramine-Resistant Construction: Features chloramine-resistant internal seals and TPE diaphragm with clog-resistant bypass for extended service life and reduced maintenance.
• Universal Retrofit Compatibility: Includes universal mounting kit with threaded ring for Zurn and alternative manufacturers' diaphragm valves, plus -S suffix option for Sloan thread-locking ring compatibility.
• Dual Activation System: Electronic automatic sensor with true mechanical override button ensures reliable operation during sensor malfunction or power interruptions.

Compliance and Certifications:

• WaterSense Compliant (HET and ONE models)

FAQ

Q: What is the operating pressure range for the ZERK-C-HET-TM-S?

A: The unit operates at 25 psi running pressure and 80 psi static pressure. Higher running pressure may be required for some fixtures; consult fixture manufacturer for specific requirements.

Q: Can this retrofit kit work with non-Zurn diaphragm valves?

A: Yes, the universal mounting kit includes threaded rings compatible with Zurn and alternative manufacturers' diaphragm valves. The -S suffix option provides compatibility with Sloan thread-locking rings.

Q: What is the difference between standard and dual flush options?

A: Standard models flush at a single volume (1.1, 1.28, or 1.6 gpf). The -DF suffix provides dual flush capability at 1.6/1.1 gpf for water-saving flexibility based on waste type.

NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.

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