20023434A | 0-RING NBR P18 017.8x02.4 | NAVIEN TANKLESS WATER HEATERS

**0-Ring NBR P18 017.8x02.4** Specifically designed for tankless water heaters, this 0-Ring is a crucial component for maintaining the appliance's performance and longevity. With dimensions of 017.8x02.4, it ensures a perfect fit for easy installation. Constructed from high-quality nitrile butadiene rubber (NBR), this O-Ring possesses exceptional durability and resistance to heat, chemicals, and abrasion. It effectively seals against leaks, preventing water and air from entering or escaping the system, thus safeguarding the water heater's integrity. This O-Ring is engineered to withstand high temperatures and pressure, making it suitable for the demanding conditions found in tankless water heaters. Its precision-engineered design ensures reliable performance, minimizing maintenance requirements and extending the life of your water heater. Shop now at our HVAC supply store for the best prices and fast shipping on all your industrial and MRO needs.