HP100/120 Safety Switch with screw

Replacement screw-type safety switch module for standard HP-100 and HP-120 pumps. Not for HP-100LL and HP-120LL pumps. Includes copper electrode and plastic safety screw.

**Requires soldering connections to install**

**It is very rare to need to replace this part on your HP pump, so please give us a call/email if you are unsure whether you need to replace or not**