Conduit Fittings & Accessories

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HEYClean™ Liquid Tight Threaded Vent Plugs

Heyco HEYClean™ Liquid Tight Threaded Vent Plugs are IP65, IP67, and IP68 rated and feature an integral sealing ring for a superior seal at the mounting hole. HEYClean Liquid Tight Threaded Vent Plugs allow the passage of air for pressure equalization while preventing moisture intrusion, remaining liquid tight. A pressure-compensating seal prevents the buildup of pressure inside electronic enclosures caused by environmental temperature cycling. These Heyco plugs are UL rated for Type NEMA 3R, 4, and 4X applications and represent a cost-effective alternative to metal or steel plugs.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Type	Thread Size	Material	Color	Packaging
Conduit Fittings & Accessories LTTVP M20 .98X.62 3584VB Heyco 1: Rp61.092 792In Stock	Mfr. Part No. 3584VB Mouser Part No 836-3584VB	Heyco	Conduit Fittings & Accessories LTTVP M20 .98X.62 Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	792In Stock	Rp61.092 Rp51.919 Rp48.800 Rp46.415 View Rp45.131 Rp38.527 Rp36.142	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	M20	Nylon	Black
Conduit Fittings & Accessories LTTVP NPT 3/8 .83X.69 3545VB Heyco 1: Rp60.725 3.636In Stock	Mfr. Part No. 3545VB Mouser Part No 836-3545VB	Heyco	Conduit Fittings & Accessories LTTVP NPT 3/8 .83X.69 Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	3.636In Stock	Rp60.725 Rp51.736 Rp48.433 Rp46.232 Rp44.581	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	3/8 in NPT	Nylon	Black	Bulk
Conduit Fittings & Accessories LTTVP M16 .83X.53 3583VB Heyco 1: Rp60.725 5.477In Stock	Mfr. Part No. 3583VB Mouser Part No 836-3583VB	Heyco	Conduit Fittings & Accessories LTTVP M16 .83X.53 Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	5.477In Stock	Rp60.725 Rp51.736 Rp48.433 Rp47.333 Rp39.994	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	M16	Nylon	Black
Conduit Fittings & Accessories LTTVP PG 7 .63X.53 3574VB Heyco 1: Rp57.790 1.195In Stock	Mfr. Part No. 3574VB Mouser Part No 836-3574VB	Heyco	Conduit Fittings & Accessories LTTVP PG 7 .63X.53 Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	1.195In Stock	Rp57.790 Rp49.167 Rp46.048 Rp43.847 View Rp37.059 Rp35.591 Rp34.307 Rp33.390 Rp32.839	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	PG7	Nylon	Black
Conduit Fittings & Accessories LTTVP NPT 1/4 GRAY 3544V Heyco 1: Rp57.790 502In Stock	Mfr. Part No. 3544V Mouser Part No 836-3544V	Heyco	Conduit Fittings & Accessories LTTVP NPT 1/4 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	502In Stock	Rp57.790 Rp49.167 Rp46.048 Rp43.847 View Rp41.645 Rp41.462 Rp39.627 Rp38.160 Rp36.325	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	1/4 in NPT	Nylon	Gray
Conduit Fittings & Accessories LTTVP M20 GRAY 3584V Heyco 1: Rp61.092 15In Stock	Mfr. Part No. 3584V Mouser Part No 836-3584V	Heyco	Conduit Fittings & Accessories LTTVP M20 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	15In Stock	Rp61.092 Rp51.919 Rp48.800 Rp46.415 View Rp44.030 Rp43.847 Rp42.012 Rp40.361 Rp38.343	Min.: 1 Mult.: 1	Hole Plugs		Threaded Vent Plug, Liquid Tight		Nylon	Gray
Conduit Fittings & Accessories LTTVP M12 .63X.53 3582VB Heyco 1: Rp46.415 11.334In Stock	Mfr. Part No. 3582VB Mouser Part No 836-3582VB	Heyco	Conduit Fittings & Accessories LTTVP M12 .63X.53 Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	11.334In Stock	Rp46.415 Rp42.746 Rp40.545 Rp38.894 View Rp35.958 Rp33.023 Rp32.656 Rp30.454	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	M12	Nylon	Black
Conduit Fittings & Accessories LTTVP NPT 1/4 BLK 3544VB Heyco 1: Rp51.369 4.484In Stock	Mfr. Part No. 3544VB Mouser Part No 836-3544VB	Heyco	Conduit Fittings & Accessories LTTVP NPT 1/4 BLK Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	4.484In Stock	Rp51.369 Rp48.067 Rp44.030 Rp41.095 View Rp38.160 Rp34.307 Rp32.656 Rp30.454	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	1/4 in NPT	Nylon	Black
Conduit Fittings & Accessories LTTVP NPT 1/2 .98X.81 3546VB Heyco 1: Rp54.304 962In Stock 1.400Expected 21/10/2026	Mfr. Part No. 3546VB Mouser Part No 836-3546VB	Heyco	Conduit Fittings & Accessories LTTVP NPT 1/2 .98X.81 Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	962In Stock 1.400Expected 21/10/2026	Rp54.304 Rp50.818 Rp46.415 Rp43.480 View Rp40.361 Rp36.325 Rp34.490 Rp32.289	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	1/2 in NPT	Nylon	Black
Conduit Fittings & Accessories LTTVP NPT 3/4 1.29X.86 3547VB Heyco 1: Rp79.989 898In Stock 700On Order	Mfr. Part No. 3547VB Mouser Part No 836-3547VB	Heyco	Conduit Fittings & Accessories LTTVP NPT 3/4 1.29X.86 Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	898In Stock 700On Order	Rp79.989 Rp73.934 Rp68.431 Rp64.028 View Rp59.625 Rp53.570 Rp48.800 Rp46.782 Rp43.847	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	3/4 in NPT	Nylon	Black
Conduit Fittings & Accessories LTTVP M12 GRAY 3582V Heyco 1: Rp57.790 79In Stock	Mfr. Part No. 3582V Mouser Part No 836-3582V	Heyco	Conduit Fittings & Accessories LTTVP M12 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	79In Stock	Rp57.790 Rp49.167 Rp46.048 Rp43.847 View Rp41.645 Rp40.728 Rp39.260 Rp37.059 Rp35.591	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	M12	Nylon	Gray
Conduit Fittings & Accessories LTTVP PG 21 1.29X.76 3401VB Heyco 1: Rp63.294 58In Stock	Mfr. Part No. 3401VB Mouser Part No 836-3401VB	Heyco	Conduit Fittings & Accessories LTTVP PG 21 1.29X.76 Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	58In Stock	Rp63.294 Rp53.754 Rp50.452 Rp48.067 View Rp40.728 Rp39.444 Rp38.710 Rp36.142	Min.: 1 Mult.: 1	Hole Plugs	Hole Plugs	Threaded Vent Plug, Liquid Tight	PG21	Nylon	Black
Conduit Fittings & Accessories LTTVP NPT 1/2 GRAY 3546V Heyco 1: Rp61.092 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3546V Mouser Part No 836-3546V	Heyco	Conduit Fittings & Accessories LTTVP NPT 1/2 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked Lead-Time 6 Weeks	Rp61.092 Rp51.919 Rp48.800 Rp46.415 View Rp44.030 Rp42.379 Rp40.912 Rp38.894	Min.: 1 Mult.: 1	Hole Plugs		Threaded Vent Plug, Liquid Tight	NPT 1/2 in	Nylon	Gray
Conduit Fittings & Accessories LTTVP PG7 GRAY 3574V Heyco 1: Rp57.790 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3574V Mouser Part No 836-3574V	Heyco	Conduit Fittings & Accessories LTTVP PG7 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked Lead-Time 6 Weeks	Rp57.790 Rp49.167 Rp48.433 Rp41.095 View Rp39.444 Rp37.242 Rp35.591	Min.: 1 Mult.: 1	Hole Plugs		Threaded Vent Plug, Liquid Tight	PG7	Nylon	Gray
Conduit Fittings & Accessories LTTVP PG9 GRAY 3575V Heyco 1: Rp60.725 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3575V Mouser Part No 836-3575V	Heyco	Conduit Fittings & Accessories LTTVP PG9 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked Lead-Time 6 Weeks	Rp60.725 Rp51.736 Rp51.002 Rp43.113 View Rp41.645 Rp39.260 Rp37.426	Min.: 1 Mult.: 1	Hole Plugs		Threaded Vent Plug, Liquid Tight	PG9	Nylon	Gray
Conduit Fittings & Accessories LTTVP PG9 BLACK 3575VB Heyco 1: Rp60.725 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3575VB Mouser Part No 836-3575VB	Heyco	Conduit Fittings & Accessories LTTVP PG9 BLACK Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked Lead-Time 6 Weeks	Rp60.725 Rp51.736 Rp48.433 Rp46.232 View Rp42.196 Rp40.545 Rp39.627 Rp38.343 Rp35.958	Min.: 1 Mult.: 1	Hole Plugs		Threaded Vent Plug, Liquid Tight	PG9	Nylon	Black
Conduit Fittings & Accessories LTTVP PG13.5 GRAY 3576V Heyco 1: Rp61.092 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3576V Mouser Part No 836-3576V	Heyco	Conduit Fittings & Accessories LTTVP PG13.5 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked Lead-Time 6 Weeks	Rp61.092 Rp51.919 Rp48.800 Rp46.415 View Rp44.030 Rp42.746 Rp41.095 Rp39.627 Rp37.609	Min.: 1 Mult.: 1	Hole Plugs		Threaded Vent Plug, Liquid Tight	PG13.5	Nylon	Gray
Conduit Fittings & Accessories LTTVP M16 GRAY 3583V Heyco 1: Rp60.725 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3583V Mouser Part No 836-3583V	Heyco	Conduit Fittings & Accessories LTTVP M16 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked Lead-Time 6 Weeks	Rp60.725 Rp51.736 Rp50.635 Rp42.930 View Rp41.279 Rp39.077 Rp37.059	Min.: 1 Mult.: 1	Hole Plugs		Threaded Vent Plug, Liquid Tight		Nylon	Gray
Conduit Fittings & Accessories LTTVP PG21 GRAY 3401V Heyco 1: Rp63.294 Non-Stocked	Mfr. Part No. 3401V Mouser Part No 836-3401V	Heyco	Conduit Fittings & Accessories LTTVP PG21 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked	Rp63.294 Rp53.754 Rp50.452 Rp48.067 View Rp44.030 Rp42.379 Rp41.279 Rp39.994 Rp37.426	Min.: 1 Mult.: 1	Hole Plugs		Threaded Vent Plug, Liquid Tight	PG21	Nylon	Gray
Conduit Fittings & Accessories LTTVP NPT 3/8 GRAY 3545V Heyco 1: Rp60.725 Non-Stocked	Mfr. Part No. 3545V Mouser Part No 836-3545V	Heyco	Conduit Fittings & Accessories LTTVP NPT 3/8 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked	Rp60.725 Rp51.736 Rp48.433 Rp46.232 View Rp43.480 Rp42.012 Rp40.545 Rp38.527	Min.: 1 Mult.: 1	Hole Plugs		Vent Plug	NPT 3/8 in	Nylon	Gray
Conduit Fittings & Accessories LTTVP NPT 3/4 GRAY 3547V Heyco 1: Rp88.611 Non-Stocked	Mfr. Part No. 3547V Mouser Part No 836-3547V	Heyco	Conduit Fittings & Accessories LTTVP NPT 3/4 GRAY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked	Rp88.611 Rp87.694 Rp69.531 Rp61.826 View Rp61.092 Rp57.973	Min.: 1 Mult.: 1	Hole Plugs		Threaded Vent Plug, Liquid Tight	NPT 3/4 in	Nylon	Gray
Conduit Fittings & Accessories LTTVP PG 13.5 .98X.62 3576VB Heyco 1: Rp49.534 Non-Stocked	Mfr. Part No. 3576VB Mouser Part No 836-3576VB	Heyco	Conduit Fittings & Accessories LTTVP PG 13.5 .98X.62 Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked	Rp49.534 Rp44.397 Rp42.930 Rp36.325 View Rp35.408 Rp33.390	Min.: 1 Mult.: 1	Hole Plugs		Threaded Vent Plug, Liquid Tight	PG13.5	Nylon	Black
Conduit Fittings & Accessories LTTVP M20 GRAY W/9135 NUT ASSY Heyco 3584VL 3584VL Heyco 500: Rp49.718 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3584VL Mouser Part No 836-3584VL	Heyco	Conduit Fittings & Accessories LTTVP M20 GRAY W/9135 NUT ASSY Learn More about Heyco heyclean liquid tight threaded vent plugs	Datasheet	Non-Stocked Lead-Time 6 Weeks	Rp49.718 Rp48.800 Rp47.700	Min.: 500 Mult.: 500	Hole Plugs		Threaded Vent Plug, Liquid Tight		Nylon	Gray

HEYClean™ Liquid Tight Threaded Vent Plugs

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