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9255517888 Line 12:44:32 12-17-2012 9/13 Installation Installing Vac Sensor Housing onto Support Bracket Installing Vac Sensor Housing onto Support Bracket Route all of the cables through the opening in the mounting bracket and attach the Vac Sensor housing to the bracket by pushing the four hooks on the rear of the housing into the four slots in the bracket (see Figure 9) Vac sensor device Vac Sensor housing STP Riser connection guide (use felt pen) ---- -------------- L: ___________ _L T s _ -------------- ------------- D® I Route cables through Vac Sensor housing opening in back of support bracket bracket Figure 9. Attaching Vac Sensor housing to support bracket Vacuum Connections within Containment Sump Vacuum Connections to a Double-Wall Product Line 1. Get a 1/4" NPT/barbed adapter and spring clamp from the Vac Sensor install kit. 2. Apply an adequate amount of fresh, UL classified for petroleum, non setting thread sealant (herein after referred to as sealant) to the threads of the 1/4" NPT barbed fitting and screw it into the 1/4" NPT port in the vacuum termination fitting of the product line (Figure 10). NOTE: In some installations,the double-walled piping is equipped with one or more Schrader valves. You can connect the vacuum tubing directly to the Schrader valve using the Schrader fitting (P/N 576008-672 for QNorth American installations; P/N 576008-504 for EU installations). NOTE:any unused Schrader fittings must be capped to avoid leaks. 3. Get the 1/4" ID tubing from the install kit and measure a piece that will reach the barbed fitting on the bottom of the plastic valve (see Figure 4) that is connected to the Vac Sensor/Vac Float pair you labeled 'P'. Plan enough tubing so that it isn't stretched between fittings or have any sharp bends/kinks in it. Cut and install this tubing and secure tubing ends with spring clamps. 10 Received Time Dec. 17, 2012 11 : 37AM No- 1880