User Manual

IS-F-FPHB-1
INSTALLATION INSTRUCTIONS
Series FPHB-1 Wall Hydrants
Sizes:
3
4" and 1" (20 and 25mm)
Installation Instructions
1. Drill a 1
7
8" diameter hole in the wall and insert the barrel through
the wall.
2. Determine system requirements:
a. If using a vacuum breaker, install the union outlet of the FPHB-1
Hydrant in the vertical up position (see Fig. 1 and Fig. 2)
b. If using a Reduced Pressure Assembly, install the union outlet of the
FPHB-1 Hydrant in the vertical up orientation (see Fig. 1 and Fig. 3).
c. If using a Double Check Assembly in meter box (see Fig. 4 and Fig.
5), install the union outlet in the vertical down position.
3. Secure to the wall, anchoring through the faceplate.
4. Connect the threaded
3
4" or 1" inlet to the domestic supply. (see Fig. 1)
5. If the inside connection is to be a sweat (soldered) connection, turn
hydrant key counter-clockwise to the full open position. Wrap hydrant
side connection with a wet rag and/or heat sink before applying heat.
6. Restore water supply, slowly open hydrant and flush thoroughly.
7. Connect union outlet to the backflow preventer.
Note: FPHB-1 does not include Backflow Prevention Assembly. Consult
local codes for proper protection.
Note: The FPHB-1 is designed for maximum flow and should be oper-
ated in the wide open position. The FPHB-1 hydrant should not be used
as a throttling valve.
Figure 1
Size
3
4" and 1" (20 and 25mm)
MODEL NOM. PIPE STEM
Distance Length (in.) Length (in.)
FPHB-1-8 8.0 9.0 12.3
FPHB-1-10 10.0 11.0 14.3
FPHB-1-12 12.00 13.0 16.3
O-Ring
Plumbing Assembly
Valve Body
Head Body
Union Nut
Key
Drain Plug,
Blow Down
Seat

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