Key features

• •Direct Replacement: The 42002-0025S Automatic Gas Shutoff Switch (AGS) replacement for Pentair Mastertemp all models and for Sta Rite Max-E-Therm Sr200 Sr333 Sr400 Pool Heaters models. Also compatible with Sta Rite heater and all HD Versions as well.
• •Enhanced Safety: The switch plays a crucial role in maintaining safety by monitoring the heat exchanger outlet temperature. When the temperature exceeds the safe limit of 140 degrees Fahrenheit, the AGS LED indicator is illuminated, indicating the need for a replacement. By installing the 42002-0025S switch, you can ensure that your pool heater operates within safe temperature limits.
• •Reliable Performance: The automatic gas shutoff switch is built to provide reliable performance and peace of mind. It is engineered with high-quality components and a durable construction, ensuring long-lasting functionality. With this shutoff switch installed, you can trust that your pool heater will operate safely and efficiently.
• •Easy Installation: Installing the 42002-0025S switch is a straightforward process. Simply turn off the pump and all electricity going to the pool heater, disconnect the two wires of the old sensor, unthread it, and plug in the new switch. Redo the connections, and you're good to go. It's a hassle-free installation that can be done without professional assistance.