Intermatic T101R201 24-Hour 115V SPST Time Clock with Fireman Switch (T101R201) grasslin A volute like this is

A volute like this is useful because it forms a major part of the pump’s wet-end structure and directs water through the discharge path during operation

When a bracket is bent

Verify part number RC4G before purchase

A blower like this is useful because it helps move the air required for combustion

A jet internal is useful because it helps direct the water stream through the jet face

Intermatic T101R201 24-Hour 115V SPST Time Clock with Fireman Switch (T101R201) grasslin A volute like this isThe Intermatic T101R201 24 Hour 115V SPST Time Clock with Fireman Switch is designed for compatible equipment scheduling where timed control and heater shutdown coordination are required. The fireman switch feature can help turn off a connected heater before the pump stops, supporting safer system operation in properly configured pool and spa installations. This timer should be matched to the correct voltage, load rating, switching configuration, and