This is the replacement knob only for GASAV-R model WA3. This knob will not fit…previous GASAV-R models WA1 or WA2. The knob does not include the green faceplate that sits beneath it. This knob is not for use on anything other than a GASAV-R model WA3 valve. It will not replace a broken barbecue grill knob. Please note - the replacement knob does not feature the set screw that comes standard with later model year GASAV-R model WA3. This knob will simply slide onto the stem of your existing model WA3 with no installation required. It however is unable to be locked onto your valve. Knobs with setscrews are not available for resale at this time.