Choosing the right thermal switch for a heater is essential for safety and performance. The following picks are selected for compatibility, reliability, and ease of replacement across common Bradford White and similar models. This guide highlights five solid options with clear temperature cutoffs and reset features to help you prevent overheating and minimize service interruptions.
| Product | Brand | Model/Compatibility | Key Feature |
|---|---|---|---|
| Bradford White 2394367602 | Bradford White | 2394367602 / 239-43676-02 | Resettable, Durable Push Button |
| 239-43676-03 | Generic | Bradford White 239-43676-03 series | 290°F Cutoff, Resettable |
| Awozkcd KSD301 | Awozkcd | KSD301 40°C/104°F ON, 30°C/86°F OFF | UL/CUL, N.O., Wide Voltage Range |
| PLADANG 2394367603 | PLADANG | 2394367603 / Bradford White compatible | 290°F Activation, Wide Compatibility |
| MZCTD 2394367602 | MZCTD | 2394367602 / 239-43676-02 | 130°C Cutoff, Direct Replacement |
Bradford White 2394367602 Resettable Thermal Switch
The Bradford White 2394367602 resettable thermal switch serves as a compact safety device that activates when temperatures exceed safe limits. Key features include a push-button reset design for easy reuse and two positions for flexible control. The switch is designed to fit Bradford White water heaters and is offered in multiple color options, including a contemporary black variant for certain installations. Its resettable nature reduces the need for repeated replacements, helping maintain reliable hot-water service with minimal downtime.
239-43676-03 Resettable Thermal Switch 290F
This resettable thermal switch is designed for Bradford White models and related units, with a 290°F cutoff to prevent overheating. It supports compatibility with several Bradford White configurations, including MI-404T6FBN and 50T65F series. The device automatically shuts off at the set temperature and resets after cooling, offering a practical solution for overheating or intermittent heat issues without frequent fuse replacements. Its broad compatibility helps simplify repairs across multiple water heater models.
Awozkcd UL/CUL KSD301 Shutoff Thermostat
The Awozkcd KSD301 shutoff thermostat is a normally open device rated for numerous voltages and current levels, making it suitable for a range of heating applications beyond water heaters. It features an EMS bimetal disc sourced from the USA, robust 3.5mm contact diameter, and UL/CUL approval. Designed for precise temperature control, it auto-resets after cooling, and supports standard AC and DC voltages, enabling flexible integration into HVAC or appliance circuits with safety as a priority.
PLADANG 2394367603 Resettable Thermal Switch
This thermal switch is designed to pair with Bradford White models (239-43676-03) and offers a 290°F activation that helps prevent overheating. It emphasizes compatibility with a broad set of Bradford White water heaters such as MI-404T6FBN and 50T65F. The resettable design supports reuse after cooling, making it a practical choice for maintaining safe and reliable water heating without repeated part replacements.
2394367602 Resettable Thermal Switch By MZCTD
The MZCTD resettable thermal switch serves as a direct replacement for Bradford White models 2394367602 and 239-43676-02, with a 130°C (266°F) cutoff and 250V/16A rating. It’s designed to automatically cut power when overheating is detected, protecting both the heater and surrounding area. Compatibility spans multiple residential and commercial models, including several M-I-series units, and it is marketed as a reliable, easy-to-install drop-in replacement for safety-critical applications.
Apobelor 2394367602 Water Heater Switch
The Apobelor resettable switch provides a 2394367602-compatible replacement option for Bradford White water heaters. It is marketed as a reliable, direct replacement that protects against overheating with a preset safety threshold, and it supports direct compatibility with the 239-43676-02 series. This makes it a practical choice for homeowners seeking a straightforward fix that ensures safe operation and quick restoration of hot water service.
Buying Guide: Thermal Switches For Heaters
Key considerations when selecting a thermal switch include temperature setpoint, reset capability, compatibility with your heater model, and the type of switch (normally closed vs normally open). A resettable design minimizes downtime by rearming after cooling, while a fixed cutoff provides simple protection. Check model numbers carefully to ensure fit with Bradford White, MI-series, or other brands. Durability and UL/CUL approvals add reliability for residential use. When replacing, confirm wiring compatibility and ensure proper placement to maintain accurate temperature sensing and safe operation of the heater.
Purchase considerations
- Temperature rating: Match the cutoff to your heater’s safe operating range (commonly around 130°C to 290°F depending on model).
- Reset behavior: Resettable switches save time and parts.
- Compatibility: Verify part numbers and model compatibility with Bradford White or other brands.
- Electrical ratings: Ensure voltage and current ratings match your electrical system (AC/DC, 120V, 240V, etc.).
- Certifications: UL/CUL approvals indicate conformity with safety standards.
Across these options, ensure you select a switch that directly corresponds to your heater model and intended use, balancing ease of replacement with robust safety features to maintain uninterrupted hot water supply and system safety.
