Reliable Balboa 25-175-0278 Sensor Assembly 30278KIT | Premium Spa Temperature & Hi-Limit Sensor Kit | 12 Month Warranty
Overview 12-Month Warranty by Wholesale Sensors, a USA Manufacturer: Rest easy knowing your purchase is protected by our 12-month…
- 12-Month Warranty by Wholesale Sensors, a USA Manufacturer: Rest easy knowing your purchase is protected by our 12-month warranty. Wholesale Sensors, a trusted USA manufacturer, takes full responsibility for ensuring the quality and performance of our product, offering you added peace of mind with every purchase.
- Replacement for Water Group 25-175-0278, 30278 and 30278KIT Sensor Assembly with 96-Inch Temperature and 31-Inch Hi-Limit Sensor, 1/4-Inch Bulbs
- Our Wholesale Sensors Replacement for Balboa Water Group 25-175-0278 Sensor Assembly is compatible with a range of Balboa water models, ensuring you have flexibility and versatility in your spa and hot tub maintenance.
- Crafted with high-quality materials, these sensors are built to last, even in the demanding spa and hot tub environment.
- The 31-Inch Hi-Limit Sensor ensures that your spa or hot tub stays within safe temperature limits, enhancing your peace of mind.
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Contact Support →DESCRIPTION Balboa 25-175-0278 Sensor Assy, 96" Temperature Sensor, 31" Hi-Limit Sensor, 1/4" Bulbs, 30278KIT Balboa 25-175-0278 Sensor Assembly for Accurate Spa Temperatu…
Balboa 25-175-0278 Sensor Assy, 96″ Temperature Sensor, 31″ Hi-Limit Sensor, 1/4″ Bulbs, 30278KIT
Balboa 25-175-0278 Sensor Assembly for Accurate Spa Temperature Control
The Balboa 25-175-0278 Sensor Assembly is a critical component for maintaining proper water temperature regulation and safe operation in compatible spas and hot tubs. This replacement sensor kit includes both the 96-inch temperature sensor and the 31-inch hi-limit sensor, each equipped with 1/4-inch bulb probes for accurate temperature monitoring and dependable system protection.
Designed as a direct replacement for Balboa Water Group part numbers 25-175-0278, 30278, and 30278KIT, this sensor assembly helps ensure your spa control system receives accurate temperature information for efficient heating and reliable operation. Whether you are replacing a failed sensor or performing preventative maintenance, this kit provides a dependable solution for restoring proper spa performance.
Why the Balboa 25-175-0278 Sensor Assembly Is Important
Modern spa and hot tub systems rely on multiple sensors to maintain safe and comfortable water temperatures. The temperature sensor continuously monitors water temperature and communicates with the control system to regulate heater operation. The hi-limit sensor provides an additional layer of protection by monitoring for unsafe temperature conditions that could damage equipment or create safety concerns.
When either sensor becomes inaccurate or fails, the control system may receive incorrect information, leading to operational issues such as heater shutdowns, temperature fluctuations, or system fault codes.
The Balboa 25-175-0278 Sensor Assembly helps restore accurate monitoring and proper communication between the sensors and the spa control board, supporting reliable heating performance and user comfort.
Compatible Balboa Water Group Systems
This replacement sensor assembly is compatible with many Balboa Water Group spa control systems and hot tub applications that utilize sensor assembly part numbers 25-175-0278, 30278, and 30278KIT.
Common applications include:
- Balboa spa control systems
- Balboa digital control packs
- Hot tub heating systems
- Residential spas
- Portable spas
- Hydrotherapy systems
- Replacement applications using 30278KIT
Always verify your existing part number and control system specifications before ordering.
Complete Sensor Kit Includes Both Temperature and Hi-Limit Sensors
Unlike single-sensor replacements, this complete assembly provides both required sensors in one convenient kit.
Included components:
- 96-inch temperature sensor
- 31-inch hi-limit sensor
- 1/4-inch sensor bulbs
- OEM-style connections
- Direct-fit replacement design
The temperature sensor helps regulate normal heating operation while the hi-limit sensor provides critical over-temperature protection. Together, they help maintain proper system performance and safety.
Common Problems Caused by Faulty Spa Sensors
Over time, spa sensors can become damaged due to heat exposure, moisture intrusion, chemical exposure, or normal wear. When sensors begin to fail, the control system may experience a variety of operating issues.
Common symptoms include:
- Incorrect water temperature readings
- Heater not turning on
- Heater shutting off unexpectedly
- Temperature fluctuations
- Overheating conditions
- Sensor-related error codes
- Hi-limit faults
- Intermittent heating operation
- Poor temperature regulation
Replacing worn sensors with a new Balboa 25-175-0278 Sensor Assembly can help restore accurate operation and eliminate many common heating system issues.
Durable Construction for Long Service Life
The Balboa 25-175-0278 Sensor Assembly is manufactured using premium materials designed for demanding spa and hot tub environments. Every component is engineered for dependable performance in conditions involving heat, moisture, vibration, and continuous operation.
Features include:
- High-quality temperature sensing elements
- Durable wiring construction
- Corrosion-resistant materials
- Precision-calibrated sensors
- Reliable electrical performance
- Long service life
Each assembly is rigorously tested to verify resistance accuracy, sensor response, and overall reliability before shipment.
Easy Installation and Direct Replacement Design
This replacement sensor kit is designed for straightforward installation using factory-style connections and mounting locations.
The direct-fit design helps minimize downtime and allows technicians or experienced spa owners to replace failed sensors quickly. Once installed, the sensors immediately begin providing accurate temperature data to the control system.
Proper installation can help restore normal heater operation, eliminate nuisance shutdowns, and improve overall spa performance.
Wholesale Sensors Quality You Can Trust
Wholesale Sensors is committed to delivering dependable aftermarket replacement components that meet the needs of spa owners, service technicians, and maintenance professionals.
Every Balboa 25-175-0278 Sensor Assembly includes:
- 12 Month Warranty
- USA-Based Customer Support
- OEM-Level Fit and Function
- Quality-Tested Construction
- Reliable Long-Term Performance
Our products are trusted by professionals who demand dependable operation and consistent quality from every replacement component.



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