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Water Tank Pressure Relief Valves WaterAPedia © Enter your search terms Submit search form   Search This Website - InspectAPedia.com

• What are water tank pressure relief valves, where are they installed, why are they needed?
• Has anyone been injured due to failure to install a pressure relief valve on a water tank?
• What are the controls, switches, valves found on water tanks and water pumps, what do they do, how are they repaired?
• Well pump & water tank diagnosis & repair procedures

This article describes Water Tank Pressure Relief Valve - how to find or where to install them. Readers of this document should also see Water pump and pressure tank repair diagnosis & cost an specific case which offers an example of diagnosis of loss of water pressure, loss of water, and analyzes the actual repair cost. © 2008 Daniel Friedman, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use links at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

WATER TANK PRESSURE RELIEF VALVE

Safety warning: all pressurized tanks should have an appropriate pressure relief valve installed to avoid possible injury should the tank burst. In this photo the brass fitting to the right of the black tank drain is a pressure relief valve installed in the correct location. Notice that there is no shutoff valve of any kind installed between the relief valve and the pressure tank? If the pressure relief valve is leaking this is an UNSAFE condition (corrosion or mineral deposits could block the valve and prevent its operation in an emergency). The valve should be replaced.

Early in our building inspection career plumbers in our area were skeptical when we identified the absence of a pressure relief valve as a safety concern (and a building or plumbing code violation). Then in about 1984 a local plumber was killed by a bursting water pressure tank.

The water pump was a submersible unit located (remotely) inside of the water well. The plumber was leaning over the water tank repairing a fitting, unaware that the water pump had turned on, and unaware that the pressure control switch had been damaged or modified so that it failed to turn off the water pump at a safe pressure.

The water tank burst, metal fragments severely injured the plumber who, working alone, bled to death. After that terrible event all of our local plumbers took this relief valve requirement seriously.

Water Tank Maintenance & Repair Chapter Index

Use links just below or at the left of each of the pages at our website to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

PLUMBING TOPICS
OIL & GAS PIPING
OIL TANKS
SEPTIC SYSTEMS
WATER PRESSURE LOSS DIAGNOSIS GUIDE
WATER PUMPS & TANKS
WATER PUMP CONTROLS
  IDENTIFY WELL PUMP TANK COMPONENTS
  MAIN WATER SHUTOFF VALVE
  WATER PUMP ELECTRICAL SWITCHES
  WATER PUMP PRESSURE CONTROL ADJUSTMENT
  WATER PUMP PRESSURE CONTROL REPAIR
  PUMP RELAY SWITCH
  WATER TANK AIR VOLUME CONTROLS
  WATER TANK AIR INLET VALVE
  WATER TANK PRESSURE GAUGE
  WATER TANK DRAIN VALVE
  WATER TANK RELIEF VALVE
  CHECK VALVES
  WATER FILTERS
WATER PUMP REPAIRS & COSTS
  WATER PUMP SHORT CYCLING
  SHORT CYCLING DETECTION
  WATER PUMP SHORT CYCLING PUMP CAUSES
  WATER PUMP PRESSURE CONTROL ADJUSTMENT
  WATER PUMP PRESSURE CONTROL REPAIR
  WATER PUMP & TANK SAFETY
WATER SUPPLY & DRAIN PIPING
WATER TANK REPAIRS & COSTS
WATER TANKS HOW THEY WORK WATER PUMP, TANK & WELL REPAIRS
WATER TANK AIR LOSS SIGNS
WATER TANK AIR, HOW TO ADD
  WATER TANK AIR VOLUME CONTROLS
  WATER TANK AIR ADD AT AIR VALVE
  WATER TANK AIR IN BY DRAINING
  AIR HOW MUCH TO ADD
  AIR HOW OFTEN TO ADD
TANK TYPES: WATER, OIL, EXPANSION, ALL
  CAPTIVE AIR WATER TANKS
  STEEL WATER TANKS
  BIG WATER STORAGE TANKS
  OPEN WATER TANKS\
WATER TANK REPLACEMENT
WATER TESTING
WELLS CISTERNS & SPRINGS
WELL, PUMP, TANK LIFE

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