What Is a Knockout Test Cap?

What Is a Knockout Test Cap?
Page 1. Visit for updates TECHNICAL SPECIFICATION: Oatey Knock-Out Test Caps are a solvent weld test cap designed for use on Schedule 40 ABS or PVC DWV piping for testing up to 17 PSI or 40' head pressure.

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Moreover, what are Test caps?

View More Info. Oatey End-Cap Test Caps are a solvent weld test cap designed for hydrostatic pressure testing up to 17 PSI or 40' head pressure and can be used on schedule 40 ABS o

Similarly, how do you remove a knockout from a washing machine? Put the tip of a flathead screw driver on the knockout, and tap the back of the screwdriver with your hand or a hammer. Try to get it so that only part of the knockout breaks free. Then grab the loosened disk with a pair of pliers, and twist it free. Be very careful not to drop it down the drain.

Also, how do you install a test plug?

Align lugs on test plug (just above O-Ring) with slots in clamping collar. Push plug through collar. Thread plug into collar until O-Ring contacts pipe stop, Then give 1 Full turn only. Do not over-tighten.

How do I install a washing machine drain?

Washer Drain

  1. Locate a drainpipe to which you can connect the washer drain.
  2. Cut the pipe with a hacksaw and install a wye fitting or a sanitary tee, depending on the orientation of the pipe.
  3. Run a length of 2-inch ABS pipe to the wall behind the washing machine.
Related Question Answers

What is a Test cap in plumbing?

Knock-Out Test Caps are a solvent weld test cap designed for use on Schedule 40 ABS or PVC DWV piping for testing up to 17 PSI or 40 ft. head pressure. Provides a strong, leak-free connection. Knock-out cent of test cap can be removed with tab to prevent possible blockage in piping.

How do I connect my washing machine discharge hose?

Hook the drain hose over the lip of the standpipe or lip of the laundry sink. If connecting to a standpipe, don't seal the hose to the pipe. Plumbing codes require that an air gap be left between the drain hose and standpipe to prevent siphoning water out of the washer. Don't lay the hose on the floor.
David Miller
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David Miller

David Miller brings 15 years of experience in global economics, personal finance strategy, and market dynamics. He specializes in turning complex economic trends into actionable insights for everyday readers.