This spare pump stack is used to swap out one that is worn or malfunctioning. Compatible with Signature 2000 series pumps. A trusted factory part from Pentair.
The Pentair P325-423 is a new pump stack for Signature 2000 Booster Pumps. Designed for pumps with a 7 GPM flow rate and 3/4 horsepower. A genuine OEM part from Pentair. This manufacturer component ensures a proper fit.