STANDARD SYMBOLS FOR PLUMBING, PIPING, AND VALVES Plumbing Plumbing (continued) Pipe Fittings (continued) Corner Bathtub................................. Drinking Fountain (Projecting-Type).. Fitting Screwed Soldered Recessed Bathtub............................ Elbow–Long Radius................ L Hot Water Tank................................ HW R T Sitz Bath............................................. Side Outlet Elbow– Water Heater................................... WH Outlet Down......................... Bidet................................................... Meter............................................... Side Outlet Elbow– M Shower Stall....................................... Outlet Up.............................. Hose Rack...................................... Shower Head.................................... HR Base Elbow ............................ .(Plan) (Elev.) Hose Bibb....................................... Double Branch Elbow ............ Overhead Gang Shower...................(P. lan) HB Gas Outlet...................................... (Elev.) Single Sweep Tee................... G Pedestal Lavatory............................... Vacuum Outlet................................ Double Sweep Tee.................. 2 2 Wall Lavatory...................................... Drain............................................... Reducing Elbow...................... 4 4 D Corner Lavatory.................................. Grease Separator........................... Tee.......................................... G Oil Separator.................................. Tee–Outlet Up......................... O Handicapped Lavatory....................... Tee–Outlet Down.................... Cleanout......................................... C Dental Lavatory.................................. O Side Outlet Tee– DENTAL LAV Garage Drain.................................. Outlet Up.............................. Standard Kitchen Sink....................... Floor Drain with Backwater Valve... Side Outlet Tee– Kitchen Sink, R & L Drain Board....... Outlet Down......................... Roof Sump...................................... Kitchen Sink, L H Drain Board.......... Cross...................................... Combination Sink & Dishwasher........ Piping Concentric Reducer................ Combination Sink & Laundry Tray...... Soil and Waste, Above Grade... Soil and Waste, Eccentric Reducer................... Service Sink....................................... Below Grade......................... Lateral..................................... Wash Sink (Wall-Type)....................... Vent.......................................... Wash Sink.......................................... Cold Water............................... Expansion Joint ..................... Hot Water................................. Laundry Tray (Single)......................... Valves Hot Water Return..................... Laundry Tray (Double)........................ Fire Line................................... F F Valve Screwed Soldered Gas Line.................................. G G Water Closet (Tank-Type)................... ACID Gate Valve.............................. Acid Waste............................... Drinking Water Supply............. Globe Valve............................. Water Closet (Integral Tank)............... Drinking Water Return............. Vacuum Cleaning..................... V V Water Closet (Flush Valve, Floor Outlet). Compressed Air....................... A Angle Globe Valve.................. Angle Gate Valve.................... Water Closet (Flush Valve, Wall-Hung) .. Pipe Fittings Check Valve............................ Fitting Screwed Soldered Urinal (Wall-Hung).............................. Angle Check Valve.................. Joint......................................... Urinal (Stall)....................................... Stop Cock............................... Elbow–90°................................ Safety Valve............................ Urinal (Trough-Type).......................... TU Elbow–45°................................ Quick-Opening Valve.............. Drinking Fountain (Recessed)........... Elbow–Turned Up..................... Float Valve.............................. M Drinking Fountain (Semi-Recessed).. Elbow–Turned Down................ Motor-Operated Gate Valve.....