... Ceramic electrodefor spark plug,spark electode Be used for gas water heater, gas heater. Application:GAS WATER HEATERGAS HEATER Trade terms:Payment: By T/T or Western Union ... Body: 95% Alumina, Steatite with glazed or no glazed layer .2) Electrode Pin/Rod: OCr25Al5, SUS304, Ni80Cr20, KanthalA1, etc.3) ... time:within 25 days after order confirmedPayment term:TT water heater Ignition needle