T
tamz
There were probably thousands of primatics fitted up this way. Very common on solid fuel bbu heating then converted to gas in the 80's 90's.
You know by looking at it. Usually 1" gravity revolves with no expansion or feed off the cylinder. Look in the loft, no header tank. If there is still a label or tag on it, it may not say primatic but will say single feed.
You know by looking at it. Usually 1" gravity revolves with no expansion or feed off the cylinder. Look in the loft, no header tank. If there is still a label or tag on it, it may not say primatic but will say single feed.