Can I buy my own oven door?

You can buy it yourself, but you need to find a professional to replace it.

The valve in front of the furnace is a kind of throttle valve with long handle, which is specially used for the gas master switch of various wide furnaces and Wuxi furnaces to adjust the firepower. The specifications are divided into three sizes: DN 15, DN20 and DN25, which are made of copper and stainless steel.