Threaded Cap Black

The Black Threaded Cap is a replacement decorative cap for the diverter valves on Arctic Spas. Black is the most popular factory-default option — the notched profile gives a clean grip and the colour disappears against dark cabinet finishes for a low-key look. Functionally identical to the Clear and White caps — the choice is purely aesthetic.

Why owners replace these: Diverter caps are the most visually exposed part of the spa rim. They take UV from above, chlorinated water from below, freeze-thaw stress in winter, and the constant grip of bare hands turning them. Cracked, faded, or chalky caps are the most common reason owners refresh them.

Will this fit my spa? Yes, on most current and recent-vintage Arctic Spas with the standard threaded diverter assembly. If you're not sure your existing fitting takes this cap, bring the old one to one of our three Ontario showrooms for matching.

Quick tips:

• Black caps fade over years of UV exposure — use a UV-protectant cleaner like Cover & Cabinet Renew to slow the fade
• Replace the matching Diverter Cap O-ring at the same time — they age together