Intermatic - GM40AV - 40 A, Autovoltage General Purpose Time Control 95422520 They have built-in GFCI protected

They have built-in GFCI protected circuits

Compatible with both older style and newer style PEB valves

Motor Windings: Superior insulation materials protect against excessive moisture and contaminants…assure prolonged motor life

Unmatched blade design dramatically reduces force to cut

They can be used with any brand of liquid or water-soluble fertilizers for residential

Intermatic - GM40AV - 40 A, Autovoltage General Purpose Time Control 95422520 They have built-in GFCI protectedSpec Sheet Install Manual The GM40AV Time Switch is a universal, electromechanical time switch designed for general purpose residential and commercial applications. The robust 40 A time switch automatically detects the input voltage without the use of a DIP switch or selector pins. The time switch automatically selects any voltage between 120 277 VAC. The mechanism is mounted in a compact UL Type 3R outdoor enclosure and can also be easily retrofitted