GZKEFEIS 77707-0010 Thermal Regulator Kit Compatible with 400 250 125 200 300 333 and Pool Spa Heaters, Replacement for 38000-0007S Thermal Regulator — Open-Box, 10% Off

Name: GZKEFEIS 77707-0010 Thermal Regulator Kit Compatible with 400 250 125 200 300 333 and Pool Spa Heaters, Replacement for 38000-0007S Thermal Regulator
Brand: GZKEFEIS
SKU: awhd-us-b0h38kr4b7
Price: 18.04 USD
Availability: InStock

Brand: GZKEFEIS

Condition: Used - Mint

$18⁰⁴

$19⁹⁹

-10% Save $1⁹⁵

Updated: 5 days ago

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Description

Precise Temperature Control - This 77707-0010 thermal regulator kit opens at approximately 120°F, delivering stable and efficient heating performance for your pool or spa. Helps prevent short cycling, overheating, or slow heating issues common with faulty original thermostats.

Wide Compatibility - Thermal regulator replacement kit compatible with 125, 200, 250, 300, 333, 400 an Max-E-Therm SR200, SR333, SR400 pool spa heaters. Direct replacement for part numbers 77707-0010 and 38000-0007S.

Upgraded Stainless Steel Spring - We have upgraded the spring accessory to high-quality stainless steel material to effectively prevent rust and corrosion, even in saltwater environments. All main components undergo strict factory inspection to ensure they open precisely at the designed temperature, providing reliable protection for your pool heater.

Easy Installation - Located between the inlet and outlet water connections on the water manifold. Kit includes thermal regulator, upgraded stainless steel spring, cap, and necessary hardware for straightforward DIY replacement.

Complete Support - Backed by GZKEFEIS with reliable customer service. If you experience any issues with your pool heater thermal regulator, contact us anytime for prompt assistance and satisfaction guarantee.

Restore reliable temperature control to your pool or spa heater with the 77707-0010 Thermal Regulator Kit. Designed as a high-quality replacement for worn or malfunctioning thermostats, this kit helps your heater reach and maintain the perfect water temperature faster and more consistently. We have upgraded the spring accessory to stainless steel material to better prevent rust and corrosion, significantly improving durability in harsh pool chemical and saltwater conditions. All main components undergo strict factory inspection to ensure they open precisely at the designed temperature, offering reliable performance and protecting your heating equipment. Whether your heater is short cycling, taking too long to heat, or failing to hold temperature, replacing the thermal regulator often solves these common problems. This precision-engineered part works seamlessly with MasterTemp and Sta-Rite systems. Why Choose This Kit? Fast & Stable Heating: Helps eliminate frustrating on/off cycling and brings your pool to comfortable swimming temperature quicker. Enhanced Durability: Stainless steel spring and corrosion-resistant components ensure long-term reliability. Perfect Fit: Direct replacement for 77707-0010 and 38000-0007S. Includes regulator, upgraded stainless steel spring, cap, and installation components. Simple DIY Install: Fits neatly on the water manifold between inlet and outlet connections. Backed by GZKEFEIS commitment to quality and customer satisfaction. Ideal for pool owners looking for a dependable, cost-effective solution to keep their heater running efficiently season after season.

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Product Details

SKU:: awhd-us-b0h38kr4b7
Model:: 77707-0010-001
Country:: US
ASIN:: B0H38KR4B7

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $2 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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