Pentair ETi 250/400 Pressure Relief Valve (475618) lamotte or other connected equipment when

or other connected equipment when the system is configured for this style of control

The 179 and 256 gallon per minute references make it clear that this part is intended for more robust intake conditions than smaller covers are built to handle

This replacement is especially useful when the original trim plate is cracked

Designed for XP3 48/56 frame systems

and Hayward SharkVAC/TigerShark Power Supply Connector is built for that kind of targeted service

Pentair ETi 250/400 Pressure Relief Valve (475618) lamotte or other connected equipment whenUsing the right replacement part matters during pool and spa service. Pentair ETi 250 400 Pressure Relief Valve (475618) supports a focused repair where fit, function, and reliability are important. A proper pressure relief valve is a critical safety and service component on ETi 250 and ETi 400 heater systems, helping relieve excess pressure during operation. It is useful when the existing component shows wear, damage, age related failure, or