Originally Posted by NorthernMN
I would want to demo one or have them demonstrate how the unit works to prove the flow is correct and it works as advertised since they are not a known builder. If they are afraid to show you how well it works it may be a reason they are a deal.
She's a Purdy thing! But I'll have to agree with NorthernMN. If it wasn't reverse flow it might be more buyable sight un seen but if there are any design flaws it might be really hard to fix them in comparison to a standard offset.