It secures the upper quartz-sleeve assembly to the UV chamber and supports the lamp-connector area.
Q:
Which systems use the 602916 top sleeve bolt?
A:
The catalog lists: H (650651), H+ (650652), K (660001-R), K+ (660002-R), PRO10 (650647), PRO20 (650653), PRO24-100 (660095-R), PRO24-186 (660086-R), PRO30 (650659), PRO50 (660003-R). Confirm the exact model and part number on your equipment before ordering VIQUA 602916.
Q:
Does it include the lamp cord retainer?
A:
The 602896 wire-form retainer is a separate part unless the package contents explicitly include it.
Q:
Should the bolt be tightened with a tool?
A:
Follow the VIQUA service instructions. Excess force can damage threads, seals, or quartz; the assembly must seat evenly without stressing the sleeve.
Q:
What else should be inspected during replacement?
A:
Inspect the sleeve, O-rings, sealing faces, lamp connector, and lower retaining hardware for damage, scale, or misalignment.
Q:
What should I check before restoring power?
A:
Confirm the sleeve is intact, seals are seated, the chamber is leak-free under pressure, and the lamp cord and retainer are properly secured.
VIQUA Top Sleeve Bolt for Pro, G, H, J, and K UV Systems