Standard Reinforced Nylon Cartridge Housings
for HOT WATER/HIGH PRESSURE SERVICE

Problem:
Are you in need of a economical, lightweight, high temperature cartridge housing?

Solution:
Keystone Standard reinforced nylon cartridge housings are suitable for hot water/high pressure service. These units offer a lightweight alternative to costly metallic vessels. Features include:

• Features 3/4" NPT connections. (Also available with British pipe threads)
  
• High strength glass reinforced head and bowl
  
• Head and sump threads incorporate Keystone’s EXCLUSIVE positive
  stop feature to prevent overtightening
  
• O-ring is securely retained in groove at the top of bowl so that it stays in
  place even during cartridge replacement
  
• Economical price allows you to install a preferred “duplex system” for
  totally uninterrupted flow
  
• Full testing to industry standards of the Water Quality Association for
  burst pressure, water tightness and fatigue resistance
  
• Not available with pressure relief vent button
  
• Mounting bosses in head for available bracket
  
• FDA grade material for potable water