Zone Valve Controls

• Advanced printed circuit design of these controls eliminates most
  field wiring needed for zone valves, making installation easier,
  quicker and virtually trouble free
• Built-in priority zone means no other controls are needed to provide
  priority heating for indirect water heaters
• Internal isolated end switch
• Switchable priority improves versatility
• Reliable double-sided printed circuit board construction
• Plug-in replacement priority relay
• LED diagnostic lights for easy troubleshooting
• Clearly marked terminals with quick-connect screwless clamps