Response to Hi Bill, The Hayward H-series LoNox Installation Guide requires 1-1/2" pipe for Natural Gas or 1-1/8" pipe for Propane for the 350,000 BTU unit within 100-200 feet distance.

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.