Crosswater MPRO Series Installation Instructions Manual Download Page 5

5 - 

6

Place the Refill Clip on the side of overflow pipe 

furthest away from fill valve and slide it down with 

metal tab on the outside and plastic clip on inside 

of overflow pipe.   
Attach one end of refill hose to nipple on fill valve. 

Attach other end of hose to refill clip. You may need 

to trim the hose so it has a slight arch.  

Refill Clip Install

Troubleshooting guide

Problem

Possible cause

Corrective action

a. Water supply valve closed.

b.  Supply line blocked.

c.  Flush valve chain too loose or 

disconnected.

d.  Sand or debris lodged in water 

control.

a. 

b. 

gaskets and washers. Reassemble.

c.  Readjust chain length as required.

d. 

a. Bowl water level too low.

b.  Supply valve partially closed.

c.  Partially clogged trapway and/or 

drain pipe and/or vent.

d.  Supply pressure too low.

a. 

b.  Open supply valve fully. Be sure that proper supply tube size is 

used.

c.  Remove obstruction. Consult a plumber if necessary.

d.  Normal supply pressure must be at least 20 psi.

Toilet leaks.

a. 

connection.

a.  Review step 1 through 5 of installation instruction

a. Flush valve chain too tight, 

b. 

worn or deformed.

c.  Sand or debris lodged in water 

control.

a. Readjust chain length as needed.

b. 

c. 

Connect the flapper chain to the tank lever.

Allow for 1/2” of slack in the chain when flapper 

is closed.  

Rubber washer 

white washer 

Lever

Reconnect water supply line to the bottom of the fill

valve. Hand tighten plastic nut of supply line to fill 
valve shank. 

DO NOT OVER TIGHTEN. 

(1). Turn on the water supply and check for 
       any leaking.
(2). If no leaks appear perform test flush.
      If leak appears tighten nut just enough 
      to stop leak.

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