Pentair 38000-0007S – Thermal Regulator with Spring Clip
Product Overview
The Pentair 38000-0007S is a replacement thermal regulator designed for use in certain Pentair and Sta-Rite pool heaters. It controls flow through the heat exchanger to maintain proper water outlet temperature and includes a spring clip for secure installation.
Key Features
- Replacement thermal regulator assembly for compatible heater units.
- Includes spring clip for easy retention and proper seating.
- Ensures accurate thermal control and helps prevent heater short-cycling.
- Designed for direct fit and OEM performance when servicing specified heaters.
Technical Specifications
- Part Number: 38000-0007S
- Application: Heater water system regulator
- Includes: Thermal regulator component and retention spring clip
Compatible Equipment
This thermal regulator is compatible with select models of Pentair MasterTemp ® and Sta-Rite Max-E-Therm ® pool heaters. Always verify the part number on your existing regulator before ordering.
Installation Instructions
- Disconnect power and close water supply to the heater before servicing.
- Drain the heater or relieve water pressure so the housing can be safely opened.
- Remove the old thermal regulator and spring clip, noting orientation.
- Install the new 38000-0007S regulator, secure it with the included spring clip in the correct position.
- Restore water flow and power, then monitor system startup for correct temperature behavior and absence of leaks.
Troubleshooting
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Heater short-cycles or overheats: Verify proper installation of the regulator and spring clip; ensure correct flow through the heat exchanger.
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No heat or low outlet temperature: Confirm regulator is seated correctly and water flow is within heater specification.
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Leak at regulator location: Inspect the sealing surface, ensure the regulator and clip are properly engaged, and check for damage or debris in the housing.
Maintenance Tip
Inspect the thermal regulator during annual heater service. If the spring clip shows signs of wear or the regulator body is discolored or corroded, replace immediately to maintain safe and efficient heater operation.
