Parts

National – Water Tank Gasket, 623/633/653

Part # VC-6538000

Replacement water tank gasket for National 623, 633 and 653 series hot drink machines, OEM 6538000. Seals the hot water tank. Stops leaks at the tank.

$10.92
7-Day Price Match Guarantee
Fast ShippingCalculated at checkout
Expert Tech SupportReal techs, Mon–Fri
7-Day Price MatchFound it cheaper? We match
Why You'll Love It
Fast Shipping
Shipping is calculated at checkout.
7-Day Price Match
Found it cheaper? We match it — no questions
Fort Worth Support
Real people, same time zone, factory-backed warranty

The gasket that seals the hot water tank on National 623, 633 and 653 series hot drink machines, keeping water and steam inside the tank. Fit a new gasket whenever the tank lid is removed for service.

Replace it when water or steam leaks around the tank, or when the old gasket is hard, cracked or flattened after the tank has been opened.

Fits: National 623, 633 and 653 series. If you are unsure, check the number on the old part or in the machine parts manual.

Part numbers: OEM 6538000. Also listed as D653-8000 (DS Vending).

No videos available for this machine yet.

Weight 1 lbs
Dimensions D 10" x W 10" x H 2"
Built for Operators

Machines That
Earn Their Floor Space

Vending machine installed in a narrow university hallway

Fits Where Others Won't

Slim-profile and ADA configurations built for corridors, hallways, and tight installs — perfect added to a bank of equipment.

Machine door open showing customizable shelving interior

Configurable Shelving

Reconfigure shelves for chips, bottles, cans, specialty items, or non-traditional products. One machine, infinite setups.

ADA compliant vending machine

ADA Compliant, Standard

Factory-built for the Americans with Disabilities Act — deploy in hospitals, government buildings, and universities with zero retrofitting cost.

Meet Our Machines

Find the Right Machine
for Your Location

Every environment has different needs. Compare our top sellers.

National - Spiral - 9 Count - Left Hand

National - Spiral - 9 Count - Left Hand

Spirals
  • Condition Product New, Used
  • Manufacturer Crane National
$6.55starting
Shop Now
Dixie Narco 501E - Rod - 3 Deep

Dixie Narco 501E - Rod - 3 Deep

Parts
  • Manufacturer Dixie Narco
$24.75starting
Shop Now
Vending operator servicing a machine
Operator Story
"The slim combo fit in a hallway where nothing else could. I have six of them now. They paid off in under a year."
Marcus T. — Independent Vending Operator Dallas, TX · 6 locations, 18 machines
How We Compare

Why Vending Concepts

Us — Vending Concepts
New & certified refurbished machines
Every refurb inspected, tested, and warrantied
7-day price match guarantee
Found it cheaper? We match it, no questions
ADA-compliant options across the line
Factory configuration — not a retrofit add-on
Fort Worth support, Mon–Fri
Real people, same time zone, fast callbacks
Typical Competitors
Machines drop-shipped sight unseen
Price changes after initial quote
ADA retrofit kits sold separately
Overseas support with long wait times
Call