Haws 8905 Installation, Operation & Maintenance Instructions Download Page 2

10/08 

Model 8905 

Page 2 of 4 

 

 

LOCATION OF UNIT

:  The Model 8905 Hose Spray should be installed in close proximity to 

potential accident areas. It should be clearly identified free from obstructions and easy to 
access. 
 
 

SUPPLY LINE:  

The minimum recommended line size is 1/2" IPS with 30-90 psi (2-6 ATM) 

flowing pressure. Where sediment or mineral content is a problem, an inlet filter is 
recommended.

 

 
PLUMBING CONNECTIONS:  

Inlet supply is 1/2” NPT.

 

 

TROUBLESHOOTING 

 

PROBLEM 

 

 

REPAIR CHECKLIST 

1. 

No flow. 

1.

a.

Check the main shut-off valve. 

2. 

Insufficient water flow. 

2.

a.

Verify minimum 30 psi (2 ATM) flowing 
supply line pressure. 

  

 

b.
 
 
 
 

Probable clogging of flow control due to 
inadequate line flushing. Unscrew 
eye/face wash head and remove the 
four screws to disassemble the head. 
Clean flow control and reassemble 
head. See SP65 Installation Drawing for 
details. 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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