AY McDonald

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of 247 products

A family business that has been in operation for over 150 years, AY McDonald is one of the industry's best when it comes to valves, pumps, brass fittings, and various plumbing parts.  AY McDonald pumps are among the most trusted in the business.  Their brass fittings are built to last and have a reputation for long lasting durability.  PlumbersStock carries hundreds of products by AY McDonald, including:

  • Fittings and valves
  • Pump parts
  • Accessories


AY McDonald manufactures brass and bronze fittings that will last a very long time. 

  • Couplings -“ allow you to connect pipes together
  • Adapters -“ adapters enable connections where otherwise impossible.  For instance, if you wanted to connect two male ends together, you would need an adapter with both sides being female.
  • Elbows -“ most elbows allow you to change the direction of the piping at a 90-degree angle, but there are other angles available.
  • Tees -“ allow you to split one line into two lines going opposite or perpendicular directions.
  • Wyes -“ similar to the role played by the œtee, the œwye offers a slightly different shape. 


You do not want to take any chances when it comes to valves.  Brass valves are built to last and AY McDonald valves are the cream of the crop.  There are valves for a variety of applications, and the following are examples of valves available here at PlumbersStock:

  • Curb stop -“ this shutoff valve is used by municipal governments to control the flow of water to home
  • Stop and waste valve -“ essential in preventing freezing and backflow
  • Corp stop -“ this valve serves as a control station for flow of water to individuals within a location (like an apartment complex)
  • Dual check valve - commonly referred to as the double check, this valve is ideal for backflow prevention intended to combat contaminants to your water supply
  • Garden hose -“ ideal for your vegetable garden

AY McDonald Pumps

Not quite as well known for making pumps as valves, AY McDonald has established itself as a reliable pump manufacturer.  Unfortunately, our selection here at PlumbersStock is fairly limited but we do carry a few of their pumps, parts, and accessories.  Consider the shallow well pump for an affordable option. 

Shop PlumbersStock and Save on AY McDonald Fittings and Valves

For the best prices on the web, you have come to the right place.  With fast shipping, great customer service, unbeatable prices, and hundreds of reliable AY McDonald parts, PlumbersStock is your #1 choice.  If you have any problem locating the right brass valves and fittings, please contact a member of our friendly staff for help.  Use the filters on the left side of the page to refine product results to match your search criteria.  Thank you for choosing PlumbersStock for fittings.

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