1/2″ Thermal Relief Valve – Model 85.300.024BEP – Opens at 145°F, 200 PSI Rated

The 1/2″ Thermal Relief Valve (Model 85.300.024BEP) is designed to prevent overheating in high-pressure pump systems during bypass mode. When water inside the pump reaches approximately 145°F, this thermal valve opens to discharge hot water and allow cooler water in, protecting your pump seals and components. Includes: One pre-set thermal relief valve Threaded 1/2″ Male NPT inlet for direct pump or bypass line installation Compact design with aluminum valve body Performance Specifications: Opening temperature: 145°F (63°C) Maximum pressure: 200 PSI Flow range: Up to 25 GPM Thread size: 1/2″ MNPT Material: Lightweight aluminum body Weight: Approximately 0.3 lb Use case: Prevents pump overheating during idle/bypass operations Key Benefits: Protects pump systems from thermal damage by releasing overheated water Compact and lightweight design fits most softwash or pressure washer pump configurations Pre-set for 145°F activation—no adjustments required Corros