Hi tech2015
You can know what you want to know about IRT. It is a brand that was derived from the RCA Victor subsidiary. It was subsequently purchased by the RCL marketer.
So there is no IRT Web page. You can only find IRT technical service.
What happens is that I had a microwave which was damaged by the panel so I wanted to contact the irt brand to ask if they had the spare part and if you're right, I already contacted the RCL and they told me they don't have the spare part so I already discarded the microwave was from a customer for not having the spare