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B-18-3 Compression Fitting - PRODUCT <br /> - B-18-3 orientation <br /> The brass secondary line test plug located <br /> within the body should be at a 90° degree <br /> angle from any flat wall. If it is at any other <br /> angle, the fitting is not installed correctly <br /> and/or the gasket is not flat against the floor. <br /> UPPER Whether the gasket is seated firmly to the floor <br /> or not, or if the orientation is incorrect, the <br /> �. Vulkem sealing method outlined below is the <br /> best way to make a lasting liquid-tight seal. <br /> When pressure-testing the secondary: the <br /> top nut makes this seal. The Brass plug should <br /> not be removed. If leaks occur from the top <br /> BRASS PLUG nut/donut then loosen them with WD-40 if <br /> necessary and re-seat with wet-dry grease. <br /> Then tighten the nut no more than 1/4 - 1/2 <br /> turns past hand tight. <br /> B-18-3 Vulkem Seal <br /> WARNING ! The lower nut of the <br /> B-18-3 fitting must not be loosened without the <br /> compression donut securely sealed against <br /> the pipe. The uper nut holds the donut secure. <br /> If both are loosened too much the B-18-3 <br /> IF fitting body may drop down or fall through the <br /> bottom of the shallow pan. <br /> UPPER NUT <br /> After cleaning all contact areas thoroughly, use <br /> vulkem to seal between the bottom nut and flat <br /> LOWER NUT gasket. With the top nut secured to the pipe, <br /> loosen the lower nut and apply vulkem under <br /> the nut and generously to the exposed threads <br /> of the body. Do not dislodge the flat gasket or <br /> apply vulkem between it and the floor of the <br /> FLAT GASKET shallow. Lubrication can cause it to slip loose <br /> VULKEM <br /> or pinch once tightened causing a leak point. <br /> 3 ii-B2000-RETROFIT-KIT-14A <br />