Pentair | 471097 | MiniMax Heater Pressure Switch | 25 Amp, 2 PSI

The Pentair 471097 MiniMax Heater Pressure Switch is a replacement control and safety component designed for compatible MiniMax 75 and 100 pool and spa heaters. This switch helps monitor water pressure conditions within the heater so the unit can operate only under proper flow conditions. It is used in service and repair applications when the original pressure switch becomes worn, damaged, or no longer responds correctly.

Key Features

• Replacement pressure switch is designed for use with compatible Pentair MiniMax 75 and 100 heater systems.
• This component helps monitor heater water pressure conditions to support operation under proper circulation and flow.
• Current product references identify this part as a 25 amp, 2 PSI pressure switch.
• Intended for maintenance and repair when the original switch becomes worn, damaged, or no longer functions correctly.
• OEM replacement design helps maintain fit and function within the original heater control and water system layout.
• Parts references show the switch screws into the heater header as part of the MiniMax 75 and 100 assembly.
• Proper pressure switch operation is important to dependable heater response and safe operation under correct water flow conditions.
• Some current sellers list this part as discontinued, so availability may vary by source.

Product Overview

The Pentair 471097 Pressure Switch is a service replacement part used in compatible MiniMax 75 and 100 heater systems. Pentair’s MiniMax 75 and 100 replacement parts sheet identifies item 31 as part number 471097 and labels it as the pressure switch, which confirms the SKU and product type match the same item. Current seller references also describe it as a 25 amp, 2 PSI switch for MiniMax 75 and 100 heaters, reinforcing that this is the correct pressure-sensing control part for that heater family.

This part is well suited for repair situations where the heater remains otherwise serviceable but the original pressure switch has become unreliable, damaged, or nonfunctional. Because the switch is tied to proper water pressure verification, it plays an important role in allowing the heater to respond correctly under normal circulation conditions. For pool and spa service professionals maintaining compatible MiniMax 75 and 100 heaters, the 471097 fills an important role in water flow monitoring, diagnostics, and dependable heater operation.