T-H Marine ODT-2-DP
Straight overflow tube
An 18-inch push-in PVC overflow tube with a screened end; check the appropriate outlet location.
View exact partT-H Marine Livewell Overflow Tubes: Straight, 90-Degree & Plumbing Kit
T-H Marine Livewell Overflow Tubes: Straight, Angled and Kit
Livewell overflow tubes control the water level by allowing excess water to escape through a suitable drain. The straight and 90-degree 18-inch T-H Marine standpipes fit different outlet arrangements. The BWK-2-DP product is instead a multi-component livewell plumbing kit.
Identify the connection before buying
Straight floor drain
ODT-2-DP is a straight 18-inch standpipe listed for a compatible 1½-inch thru-hull arrangement draining through the floor.
90-degree side-wall drain
ODT-290-DP is the 18-inch angled option for the corresponding side-wall drain layout.
Complete plumbing needs
BWK-2-DP includes several parts for flow and overflow control, rather than only a replacement overflow standpipe.
Match the original fittings: Both standalone 18-inch tubes are listed for appropriate 1½-inch thru-hull drains. The BWK kit has its own plumbing components. Do not assume the kit's included overflow tube is identical to either individually sold 18-inch part.
Part numbers compared
| MPN | Design | Listed length | Drain layout |
|---|---|---|---|
| ODT-2-DP | Straight | 18 in | Floor outlet |
| ODT-290-DP | 90-degree | 18 in | Side-wall outlet |
| BWK-2-DP | Plumbing kit | Kit; not a standalone 18-in tube | Multi-component installation |
What each product does
ODT-2-DP: A push-in PVC overflow tube with an attached screen, designed to stand vertically in a compatible floor drain. Its 18-inch height should be checked against the livewell's intended water level.
ODT-290-DP: Also an 18-inch PVC screened tube, but with a 90-degree configuration suitable for the corresponding side-wall outlet. The bend makes it different from the straight model even though the overall tube length is listed the same.
BWK-2-DP: A livewell plumbing kit including a 90-degree directional aerator head, overflow standpipe, tee and associated installation components. Its kit configuration is not proof that the included standpipe has the dimensions of an ODT-290-DP.
Find the matching standpipe or plumbing kit
T-H Marine ODT-290-DP
90-degree overflow tube
An 18-inch push-in PVC overflow tube with a screened end; check the appropriate outlet location.
View exact part
T-H Marine BWK-2-DP
Plumbing kit overflow kit
A plumbing kit with a directional aerator head, overflow tube and tee.
View exact partCheck before installing
Measure the existing drain opening and original overflow height, inspect the seal, and clear any debris from the overflow path. Make sure the chosen standpipe maintains the desired water level without spilling into the boat. Use the manufacturer's specific instructions for fittings and attachments.
To identify nearby components, visit our marine livewell pickups, air pumps and cartridges reference or the T-H Marine EZ-Pump intake selection guide.
Common questions
Do the straight and angled tubes fit the same installation?
Not automatically. Both are listed for suitable 1½-inch thru-hulls but are intended for different drain locations. Compare the outlet location and original tube before ordering.
Does the plumbing kit contain an ODT-290-DP?
The kit includes a 90-degree overflow tube, but the exact standalone ODT-290-DP part is not confirmed as the included component. Check the full kit specifications before substituting parts.
Can I shorten a livewell overflow tube?
The tube height controls the water level. Follow T-H Marine's instructions before modifying the standpipe or screen.
Can I arrange pickup in Kelowna?
UsedRVParts offers viewing and pickup by appointment. Confirm the item and arrange a visit before travelling.
Quick part links: ODT-2-DP · ODT-290-DP · BWK-2-DP
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