HT500SD – 26″ x 37.5″ x 9.5″ – 26 US Gallon Capacity.
Side Drain – RV waste holding tank, available with a 3″ spigot fitting and 4 level sensors installed. Constructed of tough ABS plastic for long service life. All seams are solvent welded and have a 1 1/4″ mounting flange.
This tank typically ships within 2 business days.
Before You Order
Match the 37.5 x 26 x 9.5 inch body size and side drain location to the existing tank, then confirm the fitting and sensor configuration needed for your RV.
Frequently Asked Questions
What capacity and dimensions are listed?
The tank is listed at 26 US gallons and 37.5 x 26 x 9.5 inches.
What connection options are described?
The description says a 3-inch spigot fitting and four level sensors are available installed.







