Response to Hi, Carlo. Yes, replacing your current RP2100 with a new RP2100 would minimize having to change plumbing and gas pipe connections. This is an electronic unit, not a millivolt so you would have to run power to this unit but is the smallest BTU unit available. The p/n for the millivolt unit is 009192.

An image is worth 1,000 words! Add an image or two to your comment to help ensure it is understood accurately.

Yes, please email me exclusive discounts, swimming pool tips and helpful how to guides. This comment may be posted on a public site. Do not include: HTML, references to other retailers, pricing, personal information, or any profane, inflammatory language.