Pentair 475985 Automatic Gas Shut Off Switch | ETI 400 Heaters | 150°

The Pentair Automatic Gas Shut-Off Switch (AGS) 475985 is a genuine OEM safety component for ETI 400 High-Efficiency Pool and Spa Heaters. Designed to shut down the gas supply if water temperature exceeds 150°F, this switch protects against overheating and potential damage. By maintaining safe operating conditions, it ensures the heater runs reliably and securely. Built with OEM-grade materials, the AGS switch withstands demanding conditions and integrates seamlessly into Pentair systems. It is a vital replacement part that helps preserve the efficiency, safety, and longevity of your pool heating equipment.

Highlights

• System-Specific Safety Part: OEM replacement designed for Pentair ETI 400 heaters, offering exact fit and reliable protection.

• Overheat Protection: Automatically stops gas flow if water temperature climbs above 150°F, preventing damage and unsafe operation.

• Safeguards Heater Function: Protects critical components from heat stress, extending the operational lifespan of the system.

• Built to OEM Standards: Constructed with durable materials that meet Pentair’s requirements for long-lasting, consistent use.

• Critical Safety Mechanism: Ensures safe operation of your heater by providing a backup safeguard against overheating risks.

• Maintains Efficiency: Helps preserve reliable performance by ensuring the heater operates within safe conditions.

• Essential Replacement: Regular AGS replacement keeps ETI 400 systems compliant with safety standards and functioning dependably.

Includes

• (1) Pentair 475985 AGS

Compatibility

• Pentair ETI 400 Heaters

Additional Info

Searching for the OEM Pentair Automatic Gas Shut-Off Switch (AGS) 475985? This section explains installation, safety function, and troubleshooting while focusing on local pricing and shop stock.

Installing the Pentair 475985 Switch

This safety switch integrates with ETI 400 heaters to cut off gas flow if water temperature exceeds 150°F. Installation is straightforward for service professionals or experienced users.

How do I connect the Pentair 475985 switch to my ETI 400 heater?

Can I check local price and shop stock before buying the 475985?

Does this AGS switch require professional installation?

Is the 475985 compatible with all ETI 400 heater revisions?

Fixing Heater Overheating or Shutdowns

If your heater shuts off due to overheating, the AGS may need replacement. The OEM 475985 provides reliable safety protection to keep systems running securely.

Why does my Pentair ETI 400 heater keep shutting down?

Can a defective AGS switch cause heater malfunctions?

How do I verify if my AGS needs replacing?

Do local shops diagnose AGS switch failures before replacement?

Local Shop Stock and Pricing

Wholesale Pool Mart offers the 475985 at competitive local pricing, with availability for fast replacements when safety issues arise.

Where can I buy the Pentair 475985 AGS switch near me?

Does Wholesale Pool Mart carry the lowest local price for the 475985?

How can I confirm availability before heading over?

Are multiple switches stocked locally for service contractors?

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