Atwood Mobile 90028 Water Heater Pressure-Temperature Relief Valve 3/4-14 NPT 150 PSI

The Atwood Mobile 90028 is a pressure-temperature (P-T) relief valve engineered as an OEM replacement safety component for Atwood RV water heaters. Designed with a 3/4-14 NPT thread size, this valve provides a critical layer of protection against dangerous pressure buildup inside the water heater tank.

This safety valve is designed to automatically open if internal tank pressure rises above 150 PSI, helping prevent damage to the water heater and surrounding plumbing components. It is a direct-fit service kit replacement for Atwood electric water heater models using a 3/4 NPT relief valve port.

Key Features:

• Set pressure: 150 PSI
• Thread size: 3/4-14 NPT
• Designed for Atwood RV electric water heaters
• OEM replacement part — direct fit, no modification required
• Compatible with multiple Atwood water heater models including GCH66E, GCH67E, GCH68E, G6A6E, G6A7E, G6A8E, G10-2E, G10-3E, GH102E, GH103E, GCH6A10E, GC6AA10E, GC10A4E, GCH10A4E, and most other models with a 3/4 NPT relief valve
• Sold individually (each)

Replacing a worn or leaking pressure relief valve is an essential part of routine RV water heater maintenance. The Atwood Mobile 90028 restores proper safety valve function and helps protect your water heater and surrounding components from pressure-related damage.