Plumbing Abbreviations

• Tags: Plumbing Abbreviations

A

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Aerator (AER)
• Air Gap (AG)

B

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Back Flush (BF)
• Basin (BSN)
• Basket Strainer  (BSTR)
• Bath Tub (BT)
• Bibb (BIBB)
• British Thermal Unit (BTU)

C

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Cast Iron (CI)
• Chlorinated Polyvinyl Chloride (CPVC)
• Cleanout (CO)
• Closet (CLO)
• Closet Auger (CLOA)
• Cold Water (CW)
• Cold Working Pressure (CWP)
• Copper (Cu)

D

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Dish Water (DW)
• Diverter (DIV)
• Down Pipe (DP)
• Drain (DR)
• Drainage, Waste & Vent (DWV)
• Drinking Fountain (DF)
• Dynamic Pressure (DP

E

F

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Fiberglass  (FGL)
• Fixture Unit (FU)
• Float Ball (FB)
• Floor Drain (FD)

G

H

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Hose Thread (HT)
• Hot Water (HW)
• Hot Water Service (HWS)
• Hot Water Tank (HWT)

I

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Inspection Chamber (IC)
• Inspection Shaft (IS)
• Iron Pipe Size (IPS)
• Iron Pipe Thread (IPT)

J

K

L

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Laundry Tray (LT)
• Lavatory (LAV)
• Low Water Cut Off  (LWCO)

M

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Male Hose Thread (MHT)
• Male Pipe Thread (MPT)

N

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• National Pipe Thread (NPT)

O

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• National Pipe Thread (NPT)

P

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Point of Connection (POC)
• Polyvinyl Chloride (PVC)
• Pressure Reducing Valve (PRV)
• Pressure Regulator (PR)

Q

R

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Relief Valve (RV)
• Relief Vent (RV)
• Riser (RSR)
• Roof Drain (RD)

S

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Schedule (SCH)
• Service Sink (SS)
• Sewer (SWR)
• Shower (SH)
• Static Pressure (SP)
• Storm Water Pipe (SWP)
• Strainer (STR)
• Street Elbow (SEL)

T

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Tank (TK)

U

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Urinal (UR)

V

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Vent through the Roof (VTR)

W

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Water Closet (WC)
• Working Pressure (WP)

X

Y

• A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
• Y Strainer (YSTR)

Z