Thru-Hull Strainer Mount



This specialized thru-hull fitting is designed to enable a 3/4" thru-hull passage thru a transom or livewell wall and to attach an aerator screen on the other side. This fitting allows the screen to mount flush against the wall with no extra nut to secure the fitting. Perfect for remote mounted pumps for filling from the transom or for recirculating from the livewell. The T-H Marine AS-1 strainer fits this part.

  • Threaded to fit AS-1 screen
  • Flange allows fush fit
  • No outside nut required
  • Fits 3/4" hose
  • XL version for thicker surface installation

THSM-1 : thread section 1-3/4", overall length 4"

THSM-1XL: thread section 3", overall length 4-1/2"

OEM/Bulk Product Name Distributor Packaged
THSM-1 Fitting Mount - 1-3/4" Threaded Length THSM-1-DP
THSM-1XL Long Fitting - 3" Threaded Length THSM-1XL-DP
THSM-1KIT Mount & Screen - 1-3/4" Threaded Length THSM-1KIT-DP
AS-1 Aerator Screen/Strainer - Fits Aerator Pump Intake - 3/4"-14 Thread AS-1-DP


Standard Pack:
OEM - Bulk 50/Box
Distributor Packaged - 12/Box

Customer Reviews

Based on 3 reviews
Michael D.
Great service

Great service! Would do it again

charles w.
Prompt delivery, excessive shipping cost

I received my orders promptly with no issues. I believe the shipping and handling were a bit high when most online sellers ship for free.

Bryan C.
Great stuff

All the products are top notch and shipping is quick.

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