This is a high - quality copper washer, suitable for head H2O probe sensors. It can also serve as a brass head plug, ensuring a reliable and tight fit.

To use this product, simply place the copper washer onto the head H2O probe sensor or insert it as a brass head plug. Make sure it is properly seated to avoid any leaks. When handling, be gentle to prevent bending or damaging the washer. To maintain it, clean it regularly with a soft cloth to remove any dirt or debris. If you notice any signs of wear or damage, it's recommended to replace the washer for continued good performance.