Just broke the site glass on our Weill Mclain gas boiler while prepping with flush and boiler test. Can I close the valves and run safely for a little while or wait until I get a replacement. All else seems good but I don't know the exact fill level.
Hi.
Just broke the site glass on our Weill Mclain gas boiler while prepping with flush and boiler test. Can I close the valves and run safely for a little while or wait until I get a replacement. All else seems good but I don't know the exact fill level.
???