The 85.300.023BEP Thermal Relief Valve is designed to protect pumps from damage due to overheating. Installed on the pump head or manifold, it automatically releases small amounts of water when temperatures rise above safe limits—keeping your system cool and preventing internal wear or damage.

Perfect for softwash and pressure washing systems that experience frequent idle times.

Key Features:

• Model: 85.300.023BEP

• Connection Size: 3/8″ NPT (F)

• Function: Opens when water exceeds safe temperature (commonly 140–145°F)

• Material: Brass body with reliable internal spring

• Pre-Set Temperature: Factory calibrated

• Application: Protects pressure washer pumps and softwash equipment

• Installation: Threads into pump head, bypass manifold, or outlet line

• Includes: Thread sealant & packaging for quick setup