The best 1 1/2 livewell drain tubes are those that fit your 1-1/2 inch threaded drains, resist marine exposure, and provide a simple install. This guide highlights five reliable options, suitable for boat livewells, baitwells, and commercial bar sinks. Each product is chosen for compatibility, material quality, and practical install features. Use this summary to compare fit, length, and ease of use before choosing the right drain tube for your setup.
| Product | Best For | Length / Fit | Notes |
|---|---|---|---|
| Krowne 23-150 Universal Overflow Pipe | Bar sinks and busy kitchens; universal fit | 8-1/2″ overall height; 1″, 1-1/4″, 1-1/2″ drains | Durable plastic; easy seal with rubber grommet |
| T-H Marine Overflow Drain Tube (18″ Straight) | Livewells and baitwells requiring dual function | 18″ straight; fits 1-1/2″ thru-hulls | Combines drain and overflow; screen included |
| Drain Tube for Fish Boxes (1-1/2″ Drains) | General boat drainage and overflow needs | Standard 1-1/2″ threaded drains | PP material; durable and long service life |
| MagiDeal Marine Screw in Overflow Drain Tube | Flexibility and compatibility | Fits 1-1/2″ thru-hulls | Plastic end with standpipe; marine grade |
| Almencla Boat Overflow Pipe (1-1/2″ fits) | Simple replacement for thru-hull setups | 17.7″ length; compatible with 1-1/2″ drains | Vinyl end with matte finish |
Krowne 23-150 Universal Overflow Pipe
The Krowne 23-150 is a universal overflow pipe designed to fit 1″, 1-1/4″, and 1-1/2″ drains, making it a flexible option for various bar sink installations and commercial drains. It uses durable plastic and includes a heavy-duty rubber grommet for a leak-resistant seal. Best for: setups requiring a single part that fits multiple drain sizes.
Best for: busy kitchens or bars that may refurbish or change drainage configurations, reducing the need for additional fittings. Why selected: universal compatibility simplifies inventory and reduces install complexity. Caution: ensure the rubber grommet is fully seated to avoid leaks over time.
T-H Marine ODT112GSTW 12 Drain Tube with Boot & Screen
The T-H Marine ODT112GSTW offers a 12-inch drain tube with a boot and screen, designed to fit certain livewell drain configurations. It is suitable where a compact length and integrated screening are desirable. Best for: installations needing a built-in screen and a shorter drain segment. Why selected: integrated screen helps prevent debris entry. Caution: verify exact boot size to ensure a secure fit with your thru-hull.
T-H Marine Overflow Drain Tube – 18 in Straight
This 18-inch straight drain tube is specifically designed to fit 1-1/2 inch thru-hull fittings. It combines drain and overflow in one tube, reducing the number of required holes. Best for: floor-drain applications where a longer, straight run is suitable. Why selected: simplifies installation by merging functions. Caution: ensure trimming for a precise fit in tight compartments.
Almencla Boat Overflow Pipe, 17.7 Inches
The Almencla overflow pipe measures 17.7 inches and fits 1-1/2 inch threaded drains. It features a white and black marine-grade plastic construction with a matte finish and a vinyl end for easy insertion. Best for: easy replacement in older thru-hull systems. Why selected: straightforward installation and compatible sizing. Caution: confirm the drain thread standard before purchase to ensure a snug fit.
Okiyakusama Aqua Lung 17.7 Inch Pipe with 90 Degree Bend
The Okiyakusama Aqua Lung overflow drain tube is 17.7 inches with a 90-degree bend, designed for 1-1/2 inch threaded drains. It uses marine-grade plastic with UV resistance and includes a standpipe termination. Best for: installations requiring a curved path to reach a distant drain. Why selected: 90-degree design helps navigate tight engine compartments or baitwells. Caution: verify whether a straight section is needed for your space constraints.
Buying Guide
What to consider when choosing a 1-1/2 inch livewell drain tube:
- Fit and compatibility: Confirm that the drain size is 1-1/2″ and check whether a thru-hull, boot, or screen is required.
- Length and routing: Measure the distance to the drain and consider bends, too; longer tubes may require trimming or routing adjustments.
- Material and durability: Look for marine-grade plastic or PVC that resists UV exposure and saltwater corrosion.
- Sealing and leaks: A reliable gasket or grommet helps prevent leaks at the connection point.
- Function: Some tubes combine drain and overflow in one piece; others separate these functions. Choose based on your plumbing needs.
Frequently Asked Questions
- Q: Will a universal drain tube fit all 1-1/2″ drains? A: It depends on the design; universal types aim to cover multiple common sizes but always verify the inner diameter and grommet compatibility.
- Q: Do these tubes include screens? A: Some models include screens; others are plain tubes requiring separate components for debris control.
- Q: Can I trim these tubes to fit? A: Yes, many straight tubes can be trimmed to fit available space; follow manufacturer guidance for safe trimming.
- Q: Are these tubes suitable for bar sinks? A: Yes, several options are designed for bar sinks and other commercial drains requiring 1-1/2″ connections.
- Q: What maintenance is needed? A: Regularly inspect seals and screens for debris; clean to prevent clogs and ensure steady drainage.