Stacking 2 wall mount boilers

I have a tight boiler room, just misses mounting 2 wall mount boilers side by side. Anyone ever mounted 2 boilers vertically?
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Ever mounted 2 boilers upside down? How about laying them on their backs? You will need a new thermostat though. Bubba
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.