An older style with a 45° angle directly off the fitting (no curve) was also used
Width: 1 3/8"
CMA part #: 15100
though experienced DIYers comfortable with basic espresso machine service can complete it
Borosilicate glass contains boron trioxide so it is very adaptable to thermal expansion meaning it won't crack under extreme temperatures like regular glass making it the perfect material used in Cold Brew Coffee Makers
CMA Sight Glass Rebuild Kit glassware-gifts An older style with aCMA Sight Glass Rebuild Kit Astoria, Bravo, Formula, Rio & Wega A complete rebuild kit for the boiler sight glass assembly, including two of the glass crystals since it's genuinely common to crack one on the first attempt. Includes 2x AS. 26 rubber gaskets, 2x AS. 27 glass crystals, 2x W. 98 brass washers, 1x C. 129 copper washer, and 1x F. 290 plastic check ball. COMPATIBILITY Fits: sight glass assemblies on Astoria, Bravo, Formula, Rio, and Wega