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Installing a Weil McLain Boiler
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installing a new Z Vent collar on a new WM boiler

Z-Vent WM Cgi Vent starter collar, strapped and sealed with Z Vent sealant

Out of the garage (where the uncrating and where the hydro test was conducted), and in to the boiler room.
adapting new boiler pipe to old pipe

Adapting new piping to the old piping

installing piping on hot water boiler return

The New WM Boiler is Moved to the Boiler Room

WARNING :This article is for educational purposes; I am just relating my personal experiences.  I believe the information given to be accurate, but should not be used as an instructional manual.  You should follow the manufacturer's directions and comply with all local codes. Your level of expertise and educational credentials/certifications may vary. When you are not confident, why not let a professional HVAC person do the installation?
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pumping away from the hot water boiler (supply side)
Installing some parts on the return.

Planning to make sure parts don't interfere with each other, e.g., vent pipe and the Webstone valve (Amazon Link).  Good spacing is imperative.

Blue Monster PTFE thread tape (Amazon Link)and Blue Monster thread sealant (Amazon Link) on threads
You will see some parts here changed in the final install.  What looks good on paper (in planning) sometimes... doesn't work out due to a variety of issues.
Watch me morph!!!!
Matching old piping with new piping.  Creating a space for the circulator ("pump") on the supply side [pumping away from the expansion tank](Amazon Link)
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*Disclosure: Some links on this website are associate links and are used to help illustrate what an item looks like, and you can decide if you want to just look or purchase the item.  "As an Amazon Associate, I earn from qualifying purchases."  We receive a small commission (that helps support this website) if you actually purchase from this company, but the price to you remains the same.

You can hover over any link to see if it is an Amazon link, if this matters, or a link to a page on this website or to a reference page, e.g., Smithsonian Institution, bookmark on this website, etc.
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