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B - 18 = 3 Compression Fitting - PRODUCT <br /> B - 18 - 3 orientation <br /> jThe 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 /> 13 = 18 = 3 Vulkem Seal <br /> WARN I N G ! The lower nut of the <br /> B - 1 M 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 13 - 1M <br /> r fitting body may drop down or fall through the <br /> bottom of the shallow pan . <br /> UPPER NUT 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 /> Mao apply vulkem between it and the floor of the <br /> FLAT GABKET 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 />