The technical parameter of theimmersion heaterelement is as the following: the power is 1500W; the voltage is 220V;the length is 185mm(thread+steel pipe,not the whole length);the thread is 1.25''NPS;the material is AISI304;the pipe diameter is 8mm.high quality,suitable price,nice after-sales serviceWe also can manufacture the product according to your requirement.So please feel free to contact with us.Thank you. Welcome to your kind inquiry.Thanks for your kind attention in advance.