Accura High Limit Switch w/ Wire Lead Operates as safety device to shut off burner to prevent machine (water) overheating flashing to steamDoes not turn back on until water has cooled 50-70 deg. FNormally used with other adjustable or fixed range thermostat which regulates water temperature15 Amp @ 110V/10 Amp @ 220VHeavy-duty brass housing (7000 PSI collapse rating)UL - CSA rated, bimetal switch components1/4" male spade lug terminals1/2" MPT external thread connects for attaching conduit or PVC wire connectorsKarcher