Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
HH1030BK | HammerHead 21" Vacuum Head Back Half Side
Fits these models
Pickup, delivery and shipping times are estimates, not guarantees.
Couldn't load pickup availability
● 4 in stock30-day returns Secure checkout
Have a question about this part?
Ask about fit, specs or shipping and get an instant answer.
Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The HammerHead HH1030BK 21" Vacuum Head Back Half (Pole Side) is a genuine factory replacement part for HammerHead service and cleaner systems. This “back half” piece corresponds to the pole side of the 21-inch vacuum head assembly. It’s built to the original spec for seamless integration with the matching front half (decal side), ensuring your cleaner maintains optimal performance and alignment. Use it to repair or refurbish your vacuum head without needing to replace the full unit.
-
Pole-Side Replacement Half: Designed exclusively as the back (pole side) portion of the 21″ vacuum head, enabling targeted repairs without replacing the full head.
-
Exact OEM Fit & Finish: Manufactured to factory tolerances so it mates perfectly with the matching front half, preserving balance, seal, and function.
-
Durable Construction: Built from rugged materials suited to repeated underwater use, chemical exposure, and physical wear in pool environments.
-
Cost-Effective Repair Option: Ideal for restoring functionality after damage or wear, saving the expense of full vacuum head replacement.
-
Seamless Installation: Intended for direct drop-in use; no modifications or special tools required when replacing a worn or cracked back half.
- Hammerhead 21" Cleaner Vacuum Heads