Use and Care Manual

AND ARE REGISTERED TRADEMARKS OF JOHN GUEST INTERNTIONAL LIMITED © COPYRIGHT 2016

Fittings and pipe should be kept clean and undamaged before use.
• Sizes:
• Pipes: 

• 
• Standards: ProLock product is designed and manufactured under a


• Do not use for gas, fuel oil or compressed air applications.
• Working pressures and temperatures:
• Burst Pressure (fittings): 
or ProLock PEX pipe will withstand pressures well in excess of normal

• Insulation: 
• Minimum bend radius with clips (PEX):
• Clip Spacing (In Inches): 
• Expansion (PEX Pipe): 
• Flow rates:
• Cleaners, inhibitors and descalents: 


• Paint and Chemicals:
• DO NOT ALLOW CONTACT WITH 


• Solder Flux: 


• Chlorine: ProLock product is suitable for use with water supplies

• Exposure to light: 


• Pipe clips: 


• Pipe inserts: Plumbing: John Guest recommends the use of pipe


• Pipe inserts: Heating: John Guest requires the use of pipe inserts
for PEX pipe connections with ProLock product in all heating

• Connection to boilers: 
must be installed between the boiler and the ProLock product

• Connection to Hot Water Heater: A minimum 18 inches run of
copper pipe must be installed between the hot water heater and the

• Connection to copper pipe: 18 inches is the minimum distance to
make a solder connection on copper pipe inserted into a ProLock


• Concrete and masonry: 
and masonry providing they are installed in conduit pipe with





• Electrical continuity:

• System testing: 







• Disinfection of Hot and Cold Water Systems: ProLock product can
be disinfected after installation or as part of a routine maintenance






surfaces of a ProLock product come into contact with disinfection




• System flushing: 

recommended to remove any contaminants/chemical residue from

• Vermin: 

• Tube insertion depths:
• Side Loads: 


• Maximum torque values of threads: 


Technical Checklist
Application  
  
  
  
Pipe Diameter    
  7”  

Pipe Diameter Horizontal Run 
  
  
  
  
   
 N/A 1 ¼”  
   1 ½” 1 ½”
 3/4” NPT 1” NPT
Plastic  3 3
 3 4 4