We have to close the valve, then remove front Frank. Cleaning and flushing the installation change the gasket ring bolt and install drain vent by installing insulation on the outside of the following images:
We have to close the valve and remove the pages of Frank's. Cleaning and flushing ring installation gasket replacement bolts and install the drain vent insulation installed on the exterior of the following picture.
We managed to close the valve and remove the front of Frank The clean and the installation flushing ring nut and change gasket were installed by drain vent installed on the outside of the insulation As the following picture