NA21089 | NA21089 | Caleffi

**NA21089 Caleffi Pressure Relief Valve** The NA21089 pressure relief valve from Caleffi is a highly reliable and efficient safety device designed to protect pressurized systems from excessive pressure buildup. **Key Features:** * **Reliable Performance:** Precision-engineered for accurate pressure regulation and long service life. * **Adjustable Set Point:** Allows for customized adjustment of the pressure release point, ensuring optimal system protection. * **Brass Construction:** Durable and corrosion-resistant, suitable for a wide range of applications. * **Manual Reset:** Easy-to-operate manual reset mechanism for hassle-free maintenance. **Applications:** * Water heaters * Boilers * Pressure vessels * Piping systems * Industrial equipment **Technical Specifications:** * Pressure Range: 0-150 psi * Set Point Range: 50-150 psi * Temperature Range: 32-212°F * Inlet/Outlet: 1/2" NPT female * Maximum Flow Rate: 10 GPM Protect your pressurized systems with the NA21089 pressure relief valve from Caleffi. Contact our HVAC supply store today for the best prices and fast shipping on all your industrial supply needs!