
03/17 Model 3377/3377G Page 2 of 4
RECOMMENDED TOOLS: Hack saw, pipe joint sealant, screwdriver, level, 12" adjustable
wrench, 10" pipe wrench, 3/32“ and 5/32” hex key wrench, 9/16”, 1/2", 7/16” socket wrench or
open end wrench.
LOCATION OF UNIT: The Model 3377/3377G Drinking Fountain is a wheelchair accessible
drinking water facility. The height dimensions shown, meet current ADA requirements. When
installing this unit, local, state or federal codes should be adhered to. If height other than
shown is required, then dimensions must be adjusted accordingly.
SUPPLY LINE: The minimum recommended line size is 1/2“IPS with 30-90 psi (2-6 ATM)
flowing pressure. Where sediment or mineral content is a problem, an inlet filter is
recommended.
PLUMBING CONNECTIONS: Inlet is 1/4" IPS male fitting. Waste outlet is 1-1/4” Slip Joint.
MAINTENANCE: Periodically clean the strainer. Refer to 5874 Series Valve Manual for
information.
Insufficient bubbler flow.
Check that inlet screwdriver stop valve is
wide open.
Verify minimum 30 psi flowing supply
pressure.
Clean inlet strainer. See 5874 Series
Valve Manual.
Adjust valve to increase flow. Use front
adjust screw or see 5874 Series Valve
Manual.
Clean screens (inside nozzle body).
Unscrew nozzle insert and very gently
activate water supply to pop out qty. 3
screens (be careful not to lose
screens). Remove any debris clogging
the screen openings and place back
into nozzle body. Reassemble nozzle
General Notes:
Before tightening nut and ferrule assembly, push tubing into fitting until it bottoms out to
ensure correct engagement with O-Ring.
For more information about Haws products, see our website: www.hawsco.com
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HAWS® and other trademarks usedin these materials are the exclusive property of Haws Corporation.