Pentair 150084Z Sand Dollar SD35 SD40 Replacement Filter Lateral
Pentair 150084Z Sand Dollar SD35 SD40 Replacement Filter Lateral
Sand showing up on the pool floor is the signature of a cracked filter lateral. The Pentair 150084Z is the genuine black replacement lateral for Sand Dollar SD35 and SD40 sand filters (and the matching Cristal-Flo II models) built after October 2004. The lateral's fine slots hold the sand bed in the tank while letting filtered water pass to the standpipe; when one splits, sand bypasses straight back to the pool. Laterals are sold individually and each filter uses six, so inspect the full set whenever the tank is open. This is a genuine Pentair part in retail (Z) packaging.
🚩 PRO TIP: When one 150084Z lateral has cracked, replace the full set of six while the sand is out — the remaining laterals are the same age and the labor is in opening the filter, not in the parts. Fill the tank halfway with water before adding new sand so falling sand does not crack the laterals.
PRODUCT FEATURES & SPECIFICATIONS:
- Brand: Pentair
- MPN: 150084Z (base part 150084)
- UPC: 788379721671
- Type: Sand Filter Lateral
- Color: Black
- Quantity Required: 6 per filter (sold individually)
- Compatibility: Pentair Sand Dollar SD35 and SD40 sand filters and Cristal-Flo II 35/40 models, filters manufactured after 10/04
- Cross-Reference: 150084
FREQUENTLY ASKED QUESTIONS:
- How many 150084Z laterals does my Sand Dollar filter need? The Sand Dollar SD35 and SD40 (and Cristal-Flo II 35/40) use six 150084Z laterals per filter. They are sold individually, so order six for a full set.
- Will the 150084Z fit my SD60? No. The 150084Z fits the SD35 and SD40 only; the SD60, SD70, and SD80 use the longer 150085 lateral.
- Why is there sand in my pool? Sand returning to the pool most often means a cracked or broken lateral. Pentair's Sand Dollar troubleshooting guide lists a broken underdrain lateral as the first cause — replace the damaged 150084Z laterals and check the standpipe seating.
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