HT630BSBD – 22 1/2″ x 18 1/2″ x 6″ – 8 US Gallon Capacity.
Bottom Drain – RV waste holding tank, This tank has reinforcements built right in so you can mount a toilet directly on top of it. The holding tank comes with a 3″ Threaded Fitting, a 1 1/2″ Slip Fitting and a 3″ID/7″OD Flange Fitting. No additional fittings are needed. All seams are solvent welded and have a 1 1/4″ mounting flange.
This tank typically ships within 2 business days.
Before You Order
Confirm the toilet mounting location, 22.5 x 18.5 x 6 inch tank size and bottom drain layout, then check the listed fittings against your plumbing connections.
Frequently Asked Questions
Can a toilet be mounted directly on this tank?
The source says reinforcements are built in so a toilet can be mounted directly on top.
Which fittings are listed?
A 3-inch threaded fitting, 1.5-inch slip fitting and 3-inch ID / 7-inch OD flange fitting are listed.







