Terminal Board | Pentair | 42001-0056S | MasterTemp Series Replacement Part | Pool Heater Terminal Board

The Pentair MasterTemp Pool Heater Terminal Board is the essential replacement part for the MasterTemp series model 42001-0056S, coordinating water flow and heater control to keep your pool running smoothly. It circulates water through your pool system to keep it clean and properly filtered, a cornerstone of maintaining healthy, balanced water.

Designed for durable, outdoor pool environments, this terminal board provides reliable electrical connections and a straightforward installation path. It’s a targeted upgrade that minimizes downtime and supports steady heater performance, so you can trust your pool remains comfortable and inviting throughout the season.

• Direct replacement part for Pentair MasterTemp 42001-0056S
• Supports consistent water circulation and filtration within the system
• Durable construction built to withstand outdoor pool conditions
• Clear, dependable electrical connections for easier service
• Suitable for DIY maintenance or professional pool technician workflows

Ready to restore reliable MasterTemp performance? Shop now to keep your pool water clean and properly filtered.