Installation Guide
FV669 Rev. B 10/14/2019
Page 2
Prior to Installation:
• The ZER-TM ushometer is designed to operate optimally between 25 psi (running) to 80 psi (static) water pressure (172 to 552
kPa). Higher running pressure may be required for some xtures. Consult xture manufacturer for details.
• When installing a ushometer, it is important that the ush volume matches the requirements of the plumbing xture.
• To protect chrome nish, do not use toothed tools to install or service the ushometer.
• Before installing your Zurn
®
Gear Driven Flush valve, the items listed below should already be installed on site:
- Closet or urinal xture
- Fixture carrier
- Drain line
- Water supply line
Overview:
Zurn Aqua-Sense
®
ZER-TM Series Flushometer oers two models (closet/urinal) in a variety of ow rates. The ZER-TM
design is a chrome plated brass body with an automatic sensor-operated gear driven valve. The ushometer incorporates a
ltered bypass, high back pressure vacuum breaker, adjustable tailpiece, spud coupling, ange for top spud connection and an
electronic override pushbutton (MOB) for alternative ushing method. The control stop has internal siphon-guard protection,
vandal resistant stop cap, sweat solder kit, and cast wall ange with set screw. All internal and external gaskets and seals are
chloramine resistant.
NOTE: The information in this manual is subject to change at any time without notice. Installations may
be performed at dierent times of construction by dierent individuals. For this reason, these instructions
should be left on-site with the facility or maintenance manager.
Specications:
Voltage: 6 VDC Series [4 “AA” 1.5V Lithium Cells] or 6 VDC Series [4 “AA” 1.5V Alkaline Cells]
Sensor Range: Factory set for user at end of elongated bowl or eld adjustable by installer
Important Safety Information:
• Installer is responsible for ensuring the product is installed and conforms to all plumbing codes and ordinances.
• Do not convert or modify this Zurn product yourself. All warranties will be voided.
• Water supply lines must be sized according to building designer in order to provide adequate water supply for each xture.
• Flush all water lines prior to making connections.