Swimables Automatic Gas Shutoff Switch (AGS) Compatible with All Pentair Mastertemp and Sta Rite Max-E-Therm Pool Heaters 42002-0025S - Also Compatible with HD Heaters

Features

• Compatibility: This replacement AGS Switch will work on Pentair Mastertemp 400 parts along with all the other BTU's. It is also compatible with the Sta Rite heater and all HD Versions as well.
• Fault: Consider replacing the AGS Switch when the AGS LED indicator is illuminated. AGS is short for Automatic Gas Shutoff. The upgraded Pentair boards will also say AGS on the main display.
• Location: The AGS is located within the heater on the black manifold next to the other sensors. The two wires connecting to the sensor will be plugged in when opening.
• Purpose: The purpose of this sensor is to measure the heat exchanger outlet temperature and ensure that it does not exceed a safe level of 140 degrees Fahrenheit.
• How to Install: Turn off the pump and all the electricity going to the pool heater. Disconnect the two wires of the sensor and unthread the sensor out. Plug your new one in and redo the connections.

Description

Founded in 2014, Swimables set out to make pool ownership easier and more reliable. With over a decade of industry expertise, we design and manufacture high-quality products and replacement parts that go beyond standard OEM quality. Our range includes pool baskets, air relief valves, drain plugs, unions, inline leaf canisters, skimmer lids, and more — trusted by hundreds of pool owners, retailers, and professionals across the U.S. We began with a simple mission: to improve the quality and durability of pool parts trusted by professionals. We’re not just resellers — we’re pool care engineers, combining innovation, precision, and sustainability to create reliable products. With rapid prototyping in just 5 days, we design, test, and perfect every detail. Our eco-conscious manufacturing and optimized supply chain reduce waste, minimize our carbon footprint, and deliver consistent, high-quality parts. Lower Environmental Impact – Our durable products mean fewer replacements, less waste, and a smaller carbon footprint. It’s Not OEM, It’s Better – Every product is engineered to meet or exceed OEM quality, giving you reliable performance you can count on. Affordable Products – We deliver premium-quality swimming pool and spa products at a reasonable cost that make maintenance accessible for everyone. Control Board: American Engineering Heavy Duty Hardware, Compatible With: Mastertemp and Starite Heaters. Air Flow Switch: Designed to work with Pentair Mastertemp 400 parts, 300, 200, and Pentair Mastertemp 125 low nox pool heater parts. It will also work with all Sta-Rite Heaters. Membrane Pad: Manufactured with a 100% gold dome to ensure the buttons can be pressed up to 1 million times. The original membrane pad is made with aluminum domes which lacks in quality. High Limit Switch: Designed to turn the heater off if the water temperature reaches 135 F. Thermal Regulator Kit: Designed to trip at 120 F. Kit Includes: 1x Thermal Regulator, 1x Locking Clip, 1x Heavy-Duty Plug with Oring Thermal Regulator: Designed to trip at 120 F. Kit Includes: 1x Thermal Regulator, 1x Locking Clip Manifold Oring Kit: The purpose of this oring set is to ensure that the water traveling through the heater manifold does not leak through the points at which the manifold meets. Thermal Regulator Kit: Designed to trip at 120 F. Kit Includes: 1x Thermal Regulator, 1x Locking Clip, 1x Heavy-Duty Plug with Oring Bypass Valve: Designed to work with 460730, 460732, 460734, 460736, 460805, 460806, SR200NA. SR333NA, SR400NA. SR400HD. This bypass valve will work on all models of the Mastertemp and Max E Therm Thermistor: The purpose of this sensor is to measure the temperature of the water within the manifold. This is to ensure system safety. The water temperature should not exceed 104 degrees Fahrenheit. Stack Flue Sensor: The purpose of this sensor is to measure the temperature of the water within the stack. When measuring the sensor with a multimeter, the sensor should read 3.5 ohms or higher. Igniter: Heavy Duty Over sleeve & Recrysyallized Silicone Carbide, Perfect Fit Every Time. Most Complete Mastertemp Kit on the Market!! Solve 90% of Mastertemp and Max-E-Therm Problems with this Kit. The perfect Pentair Mastertemp parts list is designed to fix most problems within the Pentair Pool Heater. This Pentair Mastertemp 400 parts bundle is designed for the pool professional or the homeowner. Compatibility: This pressure switch is compatible with all BTU's of the Pentair Mastertemp heater parts and Mastertemp 400 parts. It will also work with HD Versions of the heater as well. Affordable: Unlike the OEM, this parts list is the most affordable Master Temp 400 and Sta Rite Repair Kit on the market. Compatible with all Pentair Pool Heater parts. Kit Includes Thermistor, Stack Flue Sensor, High Limit Switch, AGS, Igniter, Thermal Regulator Kit, Control Board, Membrane Pad, Manifold Oring Set, Bypass Valve, and Air Flow Switch. Made by Professionals, For Professionals We Take Pride In Manufacturing Quality Products For Swimming Pools And Spas. We are a leading manufacturer of swimming pool products within the industry. Our experience spans over two decades and our products deliver quality, reliability, and affordability. Putting our products through rigorous testing is our key to ensuring total satisfaction for the customer.

Product Dimensions: 11 x 9 x 9 inches

Item Weight: 1.76 ounces

Manufacturer: Sina Industries Inc

Item model number: MegaBundle