Optimal Performance: Designed specifically for and Vatti gas , this A401G-006 air pressure switch ensures reliable operation with its precise 39/60 PA pressure measurement. It effectively detects E8 faults, enhancing the safety and efficiency of your appliance. and Reliable: Crafted from high-quality materials, the switch guarantees long-lasting durability and consistent performance, making it an essential replacement part for maintaining your water heater's functionality. Easy Installation: This air pressure switch is engineered for a straightforward installation process, allowing you to quickly replace the faulty component and restore your water heater's performance without the need for professional help. Color: Black Material: plastic Package Contents: 1 x water heater pressure switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.