Swimables SW-41-010 Thermal Regulator Kit for MasterTemp & Max-E-Therm | 77707-0010
Key Benefits +
How to Use +
Specifications +
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Key Benefits + Heater Compatibility
- Swimables replacement thermal regulator kit for select Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters.
- Cross-references Pentair part number 77707-0010.
- Kit includes the thermal regulator, spring, O-ring, cap, and spring clip.
- Helps regulate water flow through the heat exchanger so the heater can maintain proper outlet temperature.
- Part-number matching helps reduce wrong-part orders when servicing heater water-system temperature regulation.
Quick Product Summary
The Swimables SW-41-010 is a replacement thermal regulator kit for compatible Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. Swimables cross-references SW-41-010 to Pentair 77707-0010, and Pentair lists 77707-0010 as the thermal regulator kit containing the thermal regulator, spring, O-ring, cap, and spring clip. The thermal regulator works with the heater water system to help control flow through the heat exchanger and maintain the intended outlet temperature. Pentair lists this replacement for MasterTemp and Max-E-Therm 175, 200, 250, 300, 333, and 400 heater families and specifically excludes the 125,000 BTU heater. Verify the exact heater model and original part number before ordering.
Best For
Replacing a confirmed 77707-0010-style thermal regulator assembly on compatible Pentair MasterTemp and Sta-Rite Max-E-Therm heaters.
Why This Matters
- The thermal regulator is part of the heater water system and helps maintain the proper outlet temperature.
- A damaged or malfunctioning regulator can affect water flow through the heat exchanger when it has been correctly identified as the failed component.
- The complete kit provides the regulator and associated sealing and retaining components listed by Pentair.
- Matching the original 77707-0010 part reference helps avoid ordering the wrong heater water-system component.
Common Signs You Need This / Use This When
- Your heater parts diagram or existing assembly identifies 77707-0010 or SW-41-010.
- A qualified diagnosis has identified the thermal regulator assembly as the required replacement.
- The existing regulator, cap, spring, O-ring, or retaining clip is damaged or unsuitable for reassembly.
- You are servicing a compatible MasterTemp or Max-E-Therm heater in the listed model families.
Product Specifications
| Specification | Details |
|---|---|
| Brand | Swimables |
| Product Type | Pool & Spa Heater Thermal Regulator Kit |
| Swimables Part Number | SW-41-010 |
| Pentair Cross-Reference | 77707-0010 |
| Barcode / UPC | 810108820345 |
| Kit Components | Thermal regulator, spring, O-ring, cap, and spring clip |
| Known Heater Families | Pentair MasterTemp; Sta-Rite Max-E-Therm |
| Confirmed Model Families | 175, 200, 250, 300, 333, and 400 |
| Excluded Model | Not compatible with 125,000 BTU heater |
| Function | Helps regulate water flow through the heat exchanger to maintain proper outlet temperature |
Compatibility / Fitment Notes
Swimables identifies SW-41-010 as a MasterTemp / Max-E-Therm style thermal regulator kit and cross-references it to Pentair 77707-0010. Pentair lists 77707-0010 for MasterTemp and Max-E-Therm 175, 200, 250, 300, 333, and 400 heater families and specifically notes that it is not compatible with the 125,000 BTU heater. Confirm the heater model and original part number before purchase.
Installation / Use Notes
Follow the heater manufacturer’s service instructions and allow the heater to cool before servicing the water system. Disconnect power and follow all applicable heater shutdown procedures before opening the equipment. Replace the regulator and associated sealing/retaining components as required by the manufacturer, and inspect the surrounding water-system parts before reassembly. Pool-heater service should be performed by a qualified professional when appropriate.
Buy with Confidence
Benchmark Pool Supply helps customers identify pool-heater replacement parts using real equipment knowledge and part-number matching. For water-system components like SW-41-010, we focus on the exact cross-reference, kit contents, and heater-family fitment so you can verify the correct replacement before ordering.
Frequently Asked Questions
What does the Swimables SW-41-010 replace?
Swimables cross-references SW-41-010 to Pentair 77707-0010, the thermal regulator kit used in compatible MasterTemp and Max-E-Therm heater applications.
What is included in the SW-41-010 thermal regulator kit?
Pentair lists 77707-0010 as including the thermal regulator, spring, O-ring, cap, and spring clip.
What does the thermal regulator do in a MasterTemp heater?
The thermal regulator works with the heater water system to help regulate flow through the heat exchanger and maintain the intended outlet temperature.
Which MasterTemp and Max-E-Therm models use this kit?
Pentair lists 77707-0010 for compatible 175, 200, 250, 300, 333, and 400 heater families. Verify the exact heater model and original part number before ordering.
Does SW-41-010 fit the 125,000 BTU MasterTemp heater?
No. Pentair specifically lists this thermal regulator kit as not compatible with the 125,000 BTU heater.
