Insulating a Caleffi Antifreeze valve with 28mm Primary Pro

[@imnothere220]

These are just the most helpful series of videos

[@primarypro1627]

thank you

[@TheKapalek]

Thank you very much for checking with Caleffi since it's quite important to have every inch of installation outside insulated.

[@TomPalacki]

Sound like Allen Hart, 😉