Wolverine Brass 87750 Installation Instructions Download Page 1

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Installation Instructions

87750
87751

Adjustable

Wrench

TOOLS AND SUPPLIES NEEDED

NOTE 

• When installing the fill valve, the critical level on 
the fill valve (identified on the valve marked "CL ") 
should be at least 1" (25.4mm) above the top of the 
overflow pipe of the flush valve. This will ensure code 
compliance. 

• Do not install this product using any additional 
sealants.

• Water Temperature:  2°F to 45°F

• Fill valve operating pressure range: 30-120psi

IMPORTANT

SAFETY TIPS:

• Cover your drain to prevent loss of parts.

• Be sure to read instructions thoroughly before  
   beginning installation.

• Inspect all connections after installation.

• 

NOTE:

 This installation manual covers several  

   models of the Toilet Fill Valve. While the
   appearance of your Toilet Fill Valve may differ
   from those shown, the installation method is the
   same.

WARRANTY:

Warranty information can be found at:

www.wolverinebrass.com

WARNING

DO NOT OVER-TIGHTEN 
CONNECTIONS OR 
DAMAGE MAY OCCUR.

DO NOT USE CHLORINE OR 
ANY CHEMICALLY RELATED 
COMPONENTS AS THIS 
WILL RESULT IN DAMAGE 
TO TANK COMPONENTS 
AND MAY CAUSE 
FLOODING AND PROPERTY 
DAMAGE. 

USE OF CHLORINE OR 
CHEMICALLY RELATED 
COMPONENTS WILL VOID 
WARRANTY.

!

PREPARING INSTALLATION

1

• Turn OFF water supplies. 

• Drain Toilet Tank completely. 

• Remove existing Fill Valve.

• Remove any debris and 
thoroughly clean mating 
surfaces.

FILL VALVE INSTALLATION

2

Unscrew and remove the Quick Connect 
Mounting Nut (1). Connect the Refill Tube to the 
Fill Valve prior to installation (2). 

3

Insert the Fill Valve (1) into the mounting hole 
located at the bottom of the tank.
• From below, install the Quick Connect Nut.
The Quick Connect Nut can be easily installed by 
sliding the Quick Connect Nut upwards until it 
makes contact, then rotating clockwise to hand 
tighten

 

(2). 

• 

NOTE:

 Do not over-tighten any connections or 

damage may occur.

REFILL

TUBE

x

WATER

LEVEL

4

Connect the Refill Tube (1) to the overflow outlet 
of the flush valve. 
• 

NOTE:

 Make sure the Refill Tube is above 

water surface.

5

Install Water Supply Line (1) (not supplied) to the 
Shank of the Fill Valve. Take care to not 
over-tighten or damage may occur. Turn ON 
water supplies and check for leaks.

WATER LEVEL ADJUSTMENT

6

The Fill Valve is factory set to the lowest water level possible.

To increase water level

, turn the Rotating Dial counterclockwise (1) while holding the body of the Fill Valve 

to prevent any unnecessary movement. 
• There are 24 marked dots on the Rotating Dial. Each dot represents a level of adjustment in regards to the 
water level in tank.

7

To decrease water level

, turn the Rotating Dial clockwise (1). 

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