Watts 008PCQT - Manual

Hood
Bonnet
O-ring
Vent
O-ring
Body
Retainer
Check
Assembly
Series 008PCQT
Health Hazard, Anti-Siphon,
Spill-Resistant Backflow Preventer
Sizes: 3 ⁄
8
", 1 ⁄
2
", 3 ⁄
4
" and 1" (10, 15, 20, 25mm)
Series 008PCQT is designed for indoor point-of-use applica-
tions to prevent backsiphonage of contaminated water back
into the potable water supply. Separation of the water supply
from the air inlet is accomplished by means of a diaphragm
seal. This feature protects against any spillage during start-up
or operation.
Features
• Standardly supplied with internal polymer coating
• Standardly supplied with Tee handles
• Available less Tee handle with stem wrench flats. For use
where space is limited
• Available in left-handed or right-handed outlet
• Spill-resistant design for indoor use
• Affordable design
• Modular cartridge for ease of service
• Vent uses an O-ring for reliable operation
• Bronze body for durability
• Compact space saving design
• Satin chrome finish available
• Available with strainer
Installation
The 008PCQT is designed to be installed at the point of use.
When factory installed deck/machine mounted on machines or
equipment, the critical level of the 008PCQT shall be not less
than 1" (25mm) above the flood rim. If field applied for general
plumbing applications, the critical level of the 008PCQT shall
be a minimum of 6" (150mm) above the flood rim.
Specifications
A spill-resistant vacuum breaker (SVB) shall be installed, in
accordance with the manufacturer's instructions, as noted on
the plans. The valve shall consist of a one-piece modular
check and float assembly made of engineered thermoplastic
and housed in a bronze body. Springs shall be stainless steel.
The valve shall be constructed with a molded diaphragm sepa-
rating the air inlet from the potable water supply to prevent
spillage. The valve shall be a Watts Series 008PCQT.
For Health Hazard and Continuous Pressure Applications
ES-008PCQT
Job Name ––––––––––––––––––––––––––––––––––––––––––– Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location ––––––––––––––––––––––––––––––––––––––––– Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer ––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. –––––––––––––––––––––––––––––––––––
Approval ––––––––––––––––––––––––––––––––––––––––––––– Representative ––––––––––––––––––––––––––––––––––––––––
008PCQT
008PCQT-L (Left Handed)
008PCQT (Right Handed)
FOR INDOOR USE!
HoodScrews
(2Required)
Vent
Spring
AirBleedScrew
BleedO-ring
(notshown)
TestCock
Shutoff
ValveAssembly
(2Required)
Hood
Bonnet
O-ring
Vent
O-ring
Body
Retainer
Check
Assembly
HoodScrew
Vent
Spring
AirBleedScrew
BleedO-ring
(notshown)
TestCock
Shutoff
ValveAssembly
(2Required)
Size: 3 ⁄ 8 ", 1 ⁄ 2 " (10, 15mm)
Size: 3 ⁄ 4 ", 1" (20, 25mm)
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.