Hot Box Fiberglass
®
BACKFLOW PREVENTION ASSEMBLY ENCLOSURE
SPECIFICATION
GENERAL
1.1 WORK INCLUDED
A. Provide and install manufactured backflow prevention assembly enclosure.
1.2 QUALITY ASSURANCE
A. Qualifications: The backflow prevention assembly enclosure manufacturer shall be a company specializing
in the manufacture of backflow prevention assembly enclosures with at least 30 years of successful experi-
ence designing and selling enclosures to various customers in different climatic regions.
1.3 STORAGE AND HANDLING
A. Store products in shipping containers and maintain in dry place until installation.
1.4 ACCEPTABLE MANUFACTURERS
A. Hot Box®or Engineer approved equal.
1.5 REFERENCES
A. ASSE 1060-Performance Requirements for Outdoor Enclosures for Backflow Prevention assemblies.
PRODUCTS
2.1 FIBERGLASS ENCLOSURES
A. Available in Drop over, Flip top, Vent Guard, Valve Cover & Roks.
B. Enclosure shall ship fully assembled to allow for quick installation by securing to the concrete pad with the
supplied anchor hardware.
C. Enclosures shall be lockable.
D. Drain ports are sized for full port backflow discharge and are designed for a one way operation allowing
backflow discharge but not allowing wind, debris and small animals to enter the enclosure.
E. Standard enclosures shall be designed to support a minimum vertical load of 100lb/sf.
F. Standard enclosures shall be designed to support wind speeds up to 120mph.
G. Standard enclosures are ASSE 1060 certified.
2.2 MATERIALS OF FABRICATION
A. Fiberglass is minimum of 1/8” thick Thixotropic polyester resin reinforced with fiberglass strand. A smooth
yacht quality finish, protected with UV inhibited isopthalic polyester gel coat.
B. Non molded products will utilize an Industrial exterior texture.
C. No wood or particle board to be used in the construction.
D. Insulation shall be 1”-1.5" unicellular, non-wicking, polyisocyanate foam frothed or sprayed in place.
E. The Insulation shall have the following properties:
R-Value
8
Dimensional Stability
Compressive Strength
Flame point
Water absorption
Porosity
less than 2% linear change
51psi
325 degrees
.037psf
91%
Hot Box
3621 Industrial Park Drive
Lenoir City, TN 37771
Contact Information
Phone: (800) 346-3062
waterhlc@hubbell.com
www.hot-box.com
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