Instruction manual
Hallett 15xs Instruction Manual 
Released on 20-Sept-12 – H800003P  Page 37  UV Pure Technologies Inc. © 2012 
screwdriver (counterclockwise while looking at the shaft). 
MOTOR
MOTOR
PURGE VALVE
PURGE VALVE
THERMISTOR
THERMISTOR
WIRES
CUT WIRE TIE WRAP
WHEN NECESSARY
REMOVE & SUPPORT
TOP QUARTZ
SEAL ASSEMBLY
DISCONNECT 1/4"
PURGE VALVE DRAIN
REMOVE WIPER ASSY. BY
ROTATING IT COUNTER-
CLOCKWISE AS YOU LIFT
DISCONNECT
FLEX. HOSE
Figure 4C 
Step 8: Drain the unit and inspect the quartz sleeve. If clean, flush the unit with 
clean water. If fouling remains, repeat procedure. 
Step 9: Once the unit is clean, reassemble the unit including the motor and top 
hose connection. 
Step 10: Slowly open the water supply and check for leaks. 
Step 11: Replace all covers and plug in the Hallett unit. 
Disassembling the Unit 
NOTE: This procedure is not recommended for individual household users 
please contact your certified water specialist to assist should disassembly be 
required.  
Step 1: Fill a bucket or container with water before shutting off the water supply 
since you will need the water later to clean the quartz sleeve (11). A squeeze 
bottle is useful for applying water or cleaning solution to the inside of the quartz 
sleeve. 
Step 2: Place another bucket under the unit and drain the unit (see Draining the 
Unit). 
Step 3: Open the front panel. The lamps may be removed to prevent them from 
getting dirty or damaged.  
Step 4: Disconnect the Stainless flexible hose (8) from the top of the unit and 
remove the top quartz seal assembly. 
Caution: Do not damage the sealing surfaces of the end caps (5 and 19) or the 










