Pentair 42002-0025S AGS Switch Service Part - 140F

What This Part Is Used For
Pentair 42002-0025S AGS Switch Service Part - 140F is a replacement automatic gas shutoff safety switch for compatible Pentair heaters. It monitors temperature conditions and supports safety shutdown when required.

Why This Part Matters
A failed AGS switch can prevent the heater from operating or can compromise safety protections. Replacing it restores proper safety control and reliable heater function. Correct safety operation helps protect the heater from damage related to overheating conditions.

Key Features and Specifications

• Manufacturer part number 42002-0025S
• AGS switch service part
• 140F temperature rating
• Used in compatible Pentair heaters
• Replacement heater safety component

Installation and Fitment Guidance
Shut off power and gas supply before servicing. Confirm by manufacturer part number before ordering. After replacement, verify heater operation and investigate the root cause of the overheat condition.

About the Pentair Brand
Pentair heaters include layered safety controls to protect equipment and users. Their service parts are designed for compatibility with specific heater models. Pentair products are widely used in residential and commercial pool heating. Genuine Pentair components help maintain safe performance.

Common Service Context
Common when a heater shuts down with safety faults or will not fire due to temperature safety switch issues.