The SF122 Cochran Furnace / Boiler Observation Port / Inspection Windows can be used on boilers, air heaters, or furnaces which require an observation window.
The main inspection window body is constructed in cast steel and is secured to the backing plate by means 12mm bolts (not supplied). Dimensions are 156mm x 144mm x 33mm, bolting 136mm x 124mm.The shutter is manually held open via the lever allowing the user to view the flame, once released the shutter closes preventing direct heat onto the glass.
