Watts FHB User Manual
For Residential and Commercial Applications
ES-FHB
Job Name
Job Location
Engineer
Approval
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Series FHB
Contractor
Approval
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Contractor’s P.O. No.
Representative
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FHB
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Frost-Proof Automatic Self-Draining
Wall Hydrants
Sizes: 1⁄2" x 1⁄2", 1⁄2" PEX, 3⁄4" x 1⁄2", 3⁄4" x 3⁄4"
(15 x 15, 15, 20 x 15, 20 x 20mm)
Series FHB Frost-Proof Automatic Self-Draining Wall Hydrants
are designed to provide freeze protection of the external water
supply as well as backflow protection to the potable water supply.
FHB hydrants feature solid brass construction with nickel-plated
finish, 0.8mm thick copper tube, brass vacuum breaker, a heavy
metal handle and they can be repaired inline without removing the
sillcock from the waterline. These hydrants are designed to ASSE
Standard 1019 and are certified to CAN-B125-M89 and CAN/CSA
B64.2-M88.
Features
• Frost-proof design drains automatically
• Brass vacuum breaker prevents contamination of the potable
water supply from backsiphonage and backpressure
• FHB-1-PEX model features
1
⁄2" PEX inlet connection
• ASSE Standard 1019, IAPMO listed
• Metal handle
• 0.8mm copper tube thickness, thicker wall than competitors
• Size, length indication printed on cap for easy field service or repair
3
•
⁄4" (20mm) hose connection
Models
FHB-1 - For wall sizes: 4" – 14" (100 – 350mm), 1⁄2" (15mm)
solder or
FHB-1-PEX - For wall sizes: 4" – 14" (100 – 350mm),
1
⁄2" (15mm) PEX inlet
FHB-2 - For wall sizes: 4" – 14" (100 – 350mm),
IPS or
FHB-2
or
1
⁄2" (15mm) male IPS inlet
1
⁄2" (15mm) female IPS inlet.
3
⁄4" - For wall sizes: 12" (300mm), 3⁄4" (20mm) solder
3
⁄4" (20mm) male IPS
3
⁄4" (20mm) male
Standards — Approvals
ASSE Std. 1019, CSA certified to CAN-B125-M89 and
CAN/CSA B64.2-M88
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 without prior notice and without incurring any obligation to make such changes and modifications
on Watts products previously or subsequently sold.
FHB-1-PEX
Dimensions – Weights
MODEL SIZE DIMENSIONS WEIGHT
in. mm in. mm in. mm lbs. kgs.
Inlet 1⁄2" (15mm) solder or 1⁄2" (15mm) male IPS
FHB-1 4 100 5
FHB-1 6 150 7
FHB-1 8 200 9
FHB-1 10 250 11
FHB-1 12 300 13
FHB-1 14 350 15
1
Inlet
⁄2" (15mm) PEX
FHB-1-PEX 4 100 6
FHB-1-PEX 6 150 8
FHB-1-PEX 8 200 10
FHB-1-PEX 10 250 12
FHB-1-PEX 12 300 14
FHB-1-PEX 14 350 16
3
Inlet
⁄4" (20mm) male IPS or 1⁄2" (15mm) female IPS
FHB-2 4 100 5
FHB-2 6 150 7
FHB-2 8 200 9
FHB-2 10 250 11
FHB-2 12 300 13
FHB-2 14 350 15
3
Inlet
⁄4" (20mm) solder or 3⁄4" (20mm) male IPS
3
FHB-2
⁄4" 12 300 131⁄2 343.5 315⁄32 88.1 2.7 1.2
Specifications
A frost-proof automatic self-draining wall hydrant shall be installed
where indicated in the plans. Hydrant to be manufactured with brass
body with nickel-plated finish, brass vacuum breaker mechanism,
metal handle, and 0.8mm copper tube wall thickness. Plastic handles and/or plastic backflow mechanism is not acceptable. Hydrant
shall have either copper, IPS, or PEX inlet with 3⁄4" (20mm) hose
outlet. Hydrant shall be a Watts Regulator Company Series FHB.
B A
B A
A B
1
⁄2 139.5 315⁄32 88.1 2.4 1.1
1
⁄2 190.5 315⁄32 88.1 2.6 1.2
1
⁄2 241.5 315⁄32 88.1 2.8 1.3
1
⁄2 292.5 315⁄32 88.1 3.0 1.4
1
⁄2 343.5 315⁄32 88.1 3.2 1.5
1
⁄2 394.5 315⁄32 88.1 3.4 1.5
14
⁄32 164 315⁄32 88.1 2.4 1.1
14
⁄32 241 315⁄32 88.1 2.6 1.2
14
⁄32 265 315⁄32 88.1 2.8 1.3
14
⁄32 316 315⁄32 88.1 3.0 1.4
14
⁄32 367 315⁄32 88.1 3.2 1.5
14
⁄32 418 315⁄32 88.1 3.4 1.6
1
⁄2 139.5 315⁄32 88.1 2.3 1.0
1
⁄2 190.5 315⁄32 88.1 2.4 1.1
1
⁄2 241.5 315⁄32 88.1 2.5 1.1
1
⁄2 292.5 315⁄32 88.1 2.6 1.2
1
⁄2 343.5 315⁄32 88.1 2.7 1.2
1
⁄2 394.5 315⁄32 88.1 2.9 1.3
USA: No. Andover, MA • Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Burlington, ON • Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.wattscanada.ca
ES-FHB 1139 © 2011 Watts
A Watts Water Technologies Company
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