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GC Tek Filter Tank Parts — Sludge Drains & Top Caps
Sale price$38.95
GC Tek tank parts · sludge drain valves & pre-2010 top caps
Keep an older GC Tek tank in service
Sludge drain valves (3/4" for 1.75–4.25, 1.5" for 6.0, 9.0 and Medusa) and the black top-cap assemblies with pressure relief valve, o-ring and wrench for pre-2010 tanks. Replacement tanks with internals and AquaBead→AlphaONE conversion kits are quoted per size — call the shop.
Authorized GC Tek dealerGenuine product, factory warranty, distributor-direct.
Warranty & support handled hereWe set up, troubleshoot and handle warranty claims in-house.
Ships from Southern CaliforniaIn-stock parts & media ship from Upland, CA. Local pickup available.
| Part | Price |
|---|---|
| 3/4" sludge drain valve — 1.75/2.5/4.25 filters | $38.95 |
| 1.5" sludge drain valve — 6.0/9.0/Medusa filters | $79.95 |
| Top cap w/ relief valve — pre-2010 1.75/2.5/4.25 | $179.95 |
| Top cap w/ relief valve — pre-2010 6.0/9.0/Medusa | $209.95 |
| Clear top bleeder valve — pre-2010 tanks | $109.95 |
GC Tek
Grand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA
Mystic Koi & Water Gardens — authorized GC Tek dealer, Upland, California.
Questions on sizing? Call the shop and talk to someone who runs these filters.

