The Pentair 42002-0025S 140°F Automatic Gas Shut-Off Switch is a genuine OEM replacement component designed for use with Pentair’s Max-E-Therm and MasterTemp series pool and spa heaters. This switch is a critical safety feature that monitors the heat exchanger outlet temperature and automatically shuts off the gas supply if it exceeds 140°F, preventing potential overheating and damage to the heater.
Features
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OEM Quality: Manufactured by Pentair to meet original equipment specifications.
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Automatic Safety Shut-Off: Activates at 140°F to prevent overheating.
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Durable Construction: Made from high-quality materials to withstand pool and spa environments.
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Easy Installation: Designed for straightforward replacement, reducing downtime.
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Compatibility: Specifically designed for Pentair Max-E-Therm and MasterTemp pool and spa heaters.
Benefits
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Enhanced Safety: Protects the heater from potential damage due to overheating.
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Reliable Performance: Ensures consistent operation of the heater’s safety systems.
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Cost-Effective Maintenance: Replacing the shut-off switch is a cost-effective way to maintain the integrity of your pool and spa heating system.
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Long-Lasting Durability: Built to endure the harsh conditions of pool and spa environments, extending the lifespan of your heater.
| 5 star | 52% | |
| 4 star | 48% | |
| 3 star | 0% | |
| 2 star | 0% | |
| 1 star | 0% |
Verified ownerHappy with the purchase. No complaints.
Verified ownerInstallation was straightforward and performance has been reliable.
Verified ownerBeen using it for a few weeks and it's been solid.
Verified ownerHappy with the purchase. No complaints.
Verified ownerWorks exactly as expected. Installed it quickly and no issues so far.
Verified ownerExactly what I needed. Works great so far.
| Specification | Details |
|---|---|
| Model | 42002-0025S |
| Brand | Pentair |
| Type | Automatic Gas Shut-Off Switch |
| Compatibility | Pentair Max-E-Therm and MasterTemp pool and spa heaters |
| Activation Temperature | 140°F |
| Material | High-quality, corrosion-resistant materials |
| Dimensions | Approximately 1.15″ L × 0.78″ W × 0.52″ H |
| Weight | Approximately 0.2 lbs |
| Installation | Direct replacement during routine maintenance |
| Warranty | Pentair Limited Warranty |
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