This replacement surge protection module fits exclusively in the PWD30-EPO Power Watchdog unit. It delivers 2,400 Joules of surge protection and installs using only a Phillips screwdriver—no soldering required. Hughes Autoformer technology has safeguarded RV electrical systems for over 20 years with straightforward, reliable performance.

• 2,400 Joules surge protection capacity
• Works with 30 Amp Power Watchdog
• Simple installation, no soldering
• Limited lifetime warranty