Powers HydroGuard 400 Series Come usare

The Hydroguard 400/410 pressure balancing valve insures

safety to the bather upon hot or cold water supply pressure

failure or change. The internal balance chamber forces the

hot or cold water supply pressure to be equalized should

either pressure fail or change. To ensure correct repair

parts are installed, determine valve model by referring to

bonnet label (see Figure 1). Once model number is deter-

mined, refer to appropriate chart to ensure correct kit has

been supplied. Since kits contain parts for multiple

models, discard extra parts.

Replace Balance chamber if…

• The discharge water temperature is variable or untempered.

• The valve leaks after it is completely shut off.

Balance Chamber Removal:

TO REMOVE THE BALANCE CHAMBER, using a bal-

ance chamber extraction tool (Part No. 401-202) is highly

recommended. To use the extraction tool, follow instruc-

tions below:

a. Insert hooked ends of extraction tool into HOT and

COLD outlet ports of the balance chamber (see Figure

2).

b. Insert screwdriver down through end of extraction tool.

c. Place a wood or plastic block (do not use metal)

between screwdriver and valve body. Firmly ease

screwdriver away and downward, using wood for

added leverage as cartridge is gradually pulled out.

Balance Chamber Installation:

1. Apply a small amount of silicone supplied to inner surface

of valve body and inlet “O”-rings of balance chamber.

2. Align chamber and valve body inlet holes.

3. Slowly push chamber in, being very careful not to pinch

side “O”-rings (item 5A in figures 5 and 6).

Replace Gasket and Disks if…

• Flow continues after mixer is turned off.

• Stem or handle is damaged.

• Water leaks at stem and/or bonnet.

Gasket and Disc Replacement:

1. Replace all gaskets and discs according to the dia-

grams as shown in figures 5 and 6. Use silicone gel

provided on all “O”-rings and related surfaces. Never

use grease.

2. The number of flat washers required for installation on

stem varies with each model. Refer to Figure 3 when

replacing the washers.

REPAIR FORM

HydroGuard®400/410/2000

Pressure Balancing Valves

All Models

DESCRIPTION

REPAIR INSTRUCTIONS

HOT COLD

5U7

MODEL

NUMBER

DATE

CODE

5U7

MODEL

POWERS

FIGURE 1: Determine Your Valve Model

Washer(s) — Models 1-3, 5, 7, 8 1 washer

Models 4, 6 4 washers

Figure 3: Number of Flat Washers to Use By Model

NOTE: Be certain to refer to Figure 5 or Figure 6 to

locate the appropriate parts and kits for your model.

Figure 2: Balance Chamber Removal

RF 400/410/2000

RF 400/410/2000 Page 2

Replace Stem and Plate if…

• Flow continues after mixer is turned off.

• Water leaks at stem and/or bonnet.

Stem and Plate Replacement

1. FOR STANDARD INLETS: Place the plate

directly on top of the balance chamber

(see Figure 4 for proper orientation of

plate).

2. The flat notch on the splined stem must

FACE the outlet port of the valve body for

standard inlets (cold water entering COLD

inlet port).

3. FOR REVERSED INLETS: (cold water

entering hot inlet port), the flat notch on the

splined stem must face AWAY FROM the

outlet port. See Figure 4A for proper orien-

tation of plate.

REPAIR INSTRUCTIONS (CONTINUED)

PARTS

Troubleshooting Repair

Kit No.

Where

Used

Repair Kit Includes

(Numbers below correspond with

numbers in Figure 5 above)

1. Water leak at stem and/or bonnet.

2. Flow continues after mixer is turned off.

Gasket and Disc

Replacement

410-182 400/410

All Models

1–4, 5A, 6**

1. Cartridge slips while seated in body.

2. Flow continues after mixer is turned off and all

other seals have been replaced.

Oversize 410 Inlet

Searl Kit*

410-570* 400/410

All Models

1–4, 5A, 5B*, 6**

1. Variable or untempered discharge temperature.

2. Leakage after mixed is turned off.

Balance Chamber 410-183

(for any

3-port valve)

400: Models 1-3

410: Models 1-3, 7, 8

Metal and Plastic Bonnet

3–5, 5A, 13, 15, 16**

1. Flow continues after mixer is turned off.

2. Handle splines on stem damaged.

Stem and Plate

Replacement

410-378 400: Models 1-3

410: All Models

1–4, 7–9***

410-378A 419's only 1–4, 7–9**

1-4, 7-9*** (shorter stem)

* When using oversize O-ring (item 5B), discard ONE of the two regular sized O-rings (5A) normally used and use item 5B in its place.

** Use O-ring only on Hydroguard 412/414. Others use gasket.

*** Item 7 has brass stem and Celcon Plastic Mixing Plate (refer to Figures 4 and 4A).

PLEASE NOTE: Some kits contain parts for more than one model. Discard additional parts as appropriate.

Figure 5: HydroGuard 400/410

Models 1-3, 5, 7, 8.

NOTE: For reversed inlets, be sure to clearly identify

the Hot and Cold inlet ports to avoid confusion

during future maintenance.

HOT

COLD

Cold

Water

Notch in Handle

(top) Spline

Must FACE Outlet

Outlet

Must Point

to COLD Inlet

Hot

Water

Orientation of Plate and Stem Assembly

for STANDARD Inlets

(Cold Water into COLD port)

HOT

COLD

HOT

Water

Notch in Handle

(top) Spline

Must Face AWAY

From Outlet

Outlet

Must point to

HOT inlet

COLD

Water

Orientation of Plate and Stem Assembly

for REVERSED inlets

(Cold Water into Hot port)

Figure 4: Standard Inlets Figure 4A: Reversed Inlets

RF 400/410/2000 Page 3

PARTS (CONTINUED)

Figure 6:

HydroGuard 400 - Models 4 & 6

HydroGuard 410 - Model 4

HydroGuard 2000 - Model 1

RF 400/410/2000 Page 4

MAXIMUM TEMPERATURE SETTING (refer to Figure 7).

This mustbe set on the job and following any maintenance

or servicing to the valve. Mixer is factory set to pass full

HOT water.

a. Loosen adjustment stop screw (do not remove).

Gradually rotate stem counterclockwise to get desired

maximum water temperature. (Maximum Temperature

Stop will rotate long with the stem when the stem is

rotated).

b. Once stem has been rotated to desired temperature,

slide adjustment stop clockwise until fin on adjustment

stop touches the maximum temperature stop.

c. While holding adjustment stop in place, tighten adjust-

ment stop screw.

d. Replace handle. Confirm maximum temperature has been

set properly by operating the valve using the handle.

Caution: Adjustment stop must be present for proper

operation.

MAXIMUM TEMPERATURE SETTING/HANDLE ROTATION STOP

Figure 7: Maximum Temperature Setting

RF 400/410/2000 0648 EDP# 6508770

USA: Phone: 1.800.669.5430 • Fax 1.847. 229 .0526 • www.powerscontrols.com

Canada: Phone: 1.888.208.8927 • Fax 1.888.882.1979 • www.powerscontrols.ca

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