Manual

Installation Instructions

FHB-1-PEX Freezeless Wall Hydrants provide a year round

supply of outside water without the fear of pipes freezing or

bursting. Hose must be removed to allow water to drain to

prevent freezing.

Freezeless Wall Hydrants assure no-freeze operation because

the valve mechanism shuts off the water inside the building,

where it is heated. If the building will be unheated for any

length of time, then all water lines should be drained and

plumbing

fixtures winterized.

The FHB-1-PEX Freezeless Wall Hydrant features an antisiphon

vacuum breaker that protects against possible outside water

being siphoned back into the potable water supply.

A plastic siding wedge is provided to com-

pensate for lap siding installations. Slip the

wedge between the wall hydrant flange and

siding to form an attractive finish and solid

base for mounting. Secure wall hydrant

flange with two #8 or #10 oval-head wood

screws (of proper length) or with appropriate

masonry hardware.

Series FHB-1-PEX

Inlet

⁄2" (15mm) PEX

Freezeless, Self Draining Wall Hydrants,

PEX End Connection

IS-FHB-1-PEX

FHB-1-PEX

Installer – Please note:

A. Hose end must be installed sufficiently lower than the seat/

PEX end to allow for proper drainage.

B. Follow PEX tubing manufacturer’s crimp joining instruc-

tions.

Watts PEX end freezeless wall hydrants conform to ASTM

F1807-04 PEX end specifications.

Crimp outside diameters should fall within these dimensions

when measured with a micrometer or caliper.

SIDING WEDGE

Ring size Minimum Maximum

in mm

⁄2 15 0.700" 0.715"

See back page for repair kit and service information

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IS-FHB-1-PEX Series FHB-1-PEX Inlet 1⁄ 2" (15mm) PEX Freezeless, Self Draining Wall Hydrants, PEX End Connection FHB-1-PEX Installation Instructions Installer – Please note: FHB-1-PEX Freezeless Wall Hydrants provide a year round supply of outside water without the fear of pipes freezing or bursting. Hose must be removed to allow water to drain to prevent freezing.
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*Supplied with FHB-V-RK 1⁄2", 3⁄4" (15, 20mm) **Supplied with RK-FHB 1⁄2", 3⁄4" (15, 20mm) Vacuum Breaker Cover Brass Bonnet O-ring* Disc* Packing Nut Vent Float* Seat End Hose End Check Spring** Stem Washer Packing** Check Sub-Assembly** Nameplate Stem Screw Washer Handle For repair to the stem assembly RK-FHB 1⁄2", 3⁄4" (10-15 mm) *See Important Note. or Repair to the vent float assembly F FHB-V-RK 1⁄2", 3⁄4" (10,15mm) *See Important Note. 1. Remove handle screw, handle and nameplate.