• Consist of a pre-piped primary loop and the choice of 1 to 6 secondary zones
• "NEW" 4 & 6 zone Electronic Relay Control Boards allow each zone to be set, supplying either high or low temperature output from a condensing boiler
• Left or right side supply and return to a condensing boiler
• All field settings can be adjusted using jumpers
• Priority with "Priority Safe Feature"
• Pump Duty Cycle Timer Options
• Low Water Cutoff 24V Access Option
• LED Indicator Lights
• White Powder Coat Appliance Finish
• Organic Acid Bath Polished Copper Piping
• 1" Flange Body Pumps Grundfos "UPS15-58FC" Standard - Can be upgraded to UPS26-99FC/BFC, UPS15-55SFC or Alpha 15-55F pumps
• Webstone "Isolator" Ball Valves
• System Purge Valve
• Return Zone Ball Valves
• Integral Pump Flow Check Valves
• Tridicator
• Air Eliminator

Also available in "Right Hand Boiler" model.

For more information, view:

PSS Primary/Secondary Panel Install Manual
PSS-2 Diagram