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Camco 42273 Sink and Shower Strainers -- Stainless Steel 3-Pack, 3 Sizes (3/4", 2-3/4", 4-1/2")

Camco 42273 stainless steel sink and shower strainer 3-pack showing three drain screen sizes -- 3/4 inch, 2-3/4 inch, and 4-1/2 inch
Camco Sink & Shower Strainers
 
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Part Number: 42273
Manufacturer: Camco

Quantity in Stock :36

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CamcoPart No. 422733-Pack -- 3 SizesCamco 42273 Stainless Steel Sink and Shower Strainers

A simple, inexpensive fix for one of the most common RV plumbing headaches. These stainless steel drain strainers drop into your sink and shower drains to catch food debris, hair, and sediment before it enters your plumbing -- saving you from slow drains, clogs, and costly repairs down the road. The 3-pack includes three sizes so you can cover every drain in your rig with one purchase.

Three Sizes, One Pack -- Built to Last in RV and Home Drains

RV drains are notoriously easy to clog. Black water and gray water tanks back up faster when debris sneaks past unprotected drains, and clearing a clogged RV P-trap or drain line in a campground is nobody's idea of a good time. Camco's 42273 strainer set gives you the right size screen for your kitchen sink, bathroom sink, and shower drain so nothing gets through that shouldn't.

All three strainers are constructed from stainless steel -- they won't rust, corrode, or degrade in the damp conditions common to RV bathrooms and galley kitchens. They sit in the drain opening rather than threading in, so installation is instant and no tools are required. They're also easy to pop out, rinse, and drop back in.

Stainless Steel Construction

Rust-proof and corrosion-resistant -- holds up in humid RV bathrooms and outdoor campground showers without degrading.

3 Sizes in One Pack

Small (3/4"), medium (2-3/4"), and large (4-1/2") cover most standard RV and residential sink and shower drain openings.

No-Tool Installation

Drop-in fit -- no threading, no adhesives, no cutting required. Sits in the drain opening and stays put during normal use.

Easy to Clean

Lift out, rinse under running water, and reinstall in seconds. Fine mesh catches debris without restricting normal drain flow.

Gray Tank Protection: Keeping food particles and hair out of your drain lines also extends the useful life of your gray tank. Less organic debris entering the tank means slower odor buildup and fewer tank treatment applications needed.

Where Each Size Fits

The 3-pack is intentionally sized to cover the three most common drain types found in RVs, fifth wheels, travel trailers, and motorhomes:

  • Small (3/4" diameter): Fits small overflow or utility drains. Also useful as a secondary strainer inside a faucet aerator housing in some setups.
  • Medium (2-3/4" diameter): Designed for standard RV and residential bathroom sink drains.
  • Large (4-1/2" diameter): Sized for RV shower pan drains and standard tub drains.
Note: These are drop-in strainers, not threaded inserts. They rely on a snug fit in the drain opening. Measure your drain opening diameter before ordering if you are unsure which size applies to your installation.

Maintenance Tips

Keep Your Strainers Working:
  • Rinse strainers every 2-3 days during active camping use -- hair and food accumulate quickly on a mesh screen.
  • Once a week, soak strainers in a diluted white vinegar solution to dissolve mineral deposits from hard campground water.
  • Inspect the screen mesh periodically for dents or deformation that could allow debris to pass through.
  • Replace strainers if the mesh is bent, torn, or no longer sits flush in the drain opening.
Recommended Use: Full-timers and seasonal campers should keep a spare set on hand. These strainers are small enough to lose during a dump-and-clean, and a clogged drain discovered mid-trip is harder to deal with than having a backup already in the parts box.

Product Specifications

ManufacturerCamco
Part Number42273
SKU88-8147
Vendor Part No.10-1698
UPC014717422734
Pack Quantity3 strainers per pack
WarrantyLimited 90-day manufacturer warranty

Strainer Dimensions

Small Strainer Diameter3/4 inch
Medium Strainer Diameter2-3/4 inches
Large Strainer Diameter4-1/2 inches

Materials and Construction

MaterialStainless steel
Rust/Corrosion ResistanceYes -- stainless construction
Installation TypeDrop-in (no tools required)

Typical Applications

RV Shower DrainLarge strainer (4-1/2")
RV Bathroom SinkMedium strainer (2-3/4")
Small Utility DrainSmall strainer (3/4")
Residential UseCompatible with standard home drains of matching diameter
Important Information
  • These are drop-in strainers -- they do not thread or lock into the drain. They may shift or be displaced by very high water flow if not seated properly.
  • Verify your drain opening diameter before purchase. The three sizes cover most RV drains but not every custom or aftermarket drain configuration.
  • Not rated for use in drains that carry solids above normal kitchen or bathroom debris (e.g., utility or workshop drains with heavy particulate).
  • Warranty is limited to 90 days from date of purchase. Retain proof of purchase for warranty claims.
  • Do not use abrasive scrubbers on the mesh -- this can deform the screen openings and reduce effectiveness.

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