Resideo - Honeywell Home NK300S-100

Introducing the NK300S-100 boiler feed combination valve from Resideo / Honeywell Home. This 1/2" boiler feed solution is engineered for residential heating systems, offering both sweat and threaded connections and a 150 PSI rating to handle typical home boilers.

As a boiler feed combination valve, the NK300S-100 merges feed and relief functions in one compact unit, simplifying installation and reducing potential leaks. The dual connection options (sweat and threaded) provide flexible routing for supply piping across a range of installations.

• 1/2" boiler feed combination valve for residential heating systems
• Dual sweat and threaded connections offer flexible installation
• Operates under up to 150 PSI boiler pressure
• Simple, tool-friendly installation minimizes downtime
• Designed for reliable performance in standard piping layouts

Whether you're upgrading an older boiler or performing routine maintenance, this valve helps ensure steady boiler feed under pressure and robust performance. Rely on Resideo/Honeywell Home quality for dependable operation within your home heating system.

With the NK300S-100, you gain a dependable, easy-to-install solution that protects your boiler system and extends service life, backed by Resideo/Honeywell Home's reputation for quality heating components.