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The Jandy R0745400 Lateral & Standpipe Assembly is a genuine OEM replacement component for the Jandy SFTM22-1.5 top-mount sand filter. This complete internal assembly includes the vertical standpipe and a full set of laterals that work together to evenly distribute water through the sand bed during filtration and backwash cycles. Over time, broken or cracked laterals can lead to sand entering the pool or reduced filtration performance. Built to Jandy’s original specifications, the R0745400 restores proper water flow, maintains sand containment, and helps keep your pool water clear and balanced.
Highlights
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Complete OEM Internal Assembly: Includes the standpipe and full set of laterals to rebuild your filter’s internal water distribution system.
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Designed for SFTM22-1.5 Filters: Engineered to match Jandy’s SFTM22-1.5 top-mount sand filter dimensions for perfect compatibility and alignment.
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Restores Filter Performance: Eliminates issues like sand leakage, poor flow, or uneven backwashing caused by cracked or clogged components.
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Durable Construction: Made from corrosion- and chemical-resistant materials designed to endure years of pool filtration cycles and pressure fluctuations.
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Practical Maintenance Upgrade: A cost-efficient replacement option that revives internal filter function without replacing the entire tank assembly.
Compatibility
- Jandy SFTM22-1.5 Sand Filters
Additional Info
Looking for installation guidance and local parts availability for your Jandy R0745400 Lateral & Standpipe Assembly? This section helps Wholesale Pool Mart customers replace damaged internals for SFTM filters and maintain reliable performance.
Installing the Assembly on SFTM22-1.5 Filters
The R0745400 fits directly into the SFTM22-1.5 filter tank. Proper installation ensures even water distribution and prevents sand migration during normal and backwash cycles.
How do I center the standpipe inside the tank before refilling with sand?
Do the laterals fold or snap into place during installation?
Can I check local price and pickup availability for the R0745400 near me?
Should the standpipe extend flush with the valve port or slightly below?
What’s the recommended sand grade for use with this filter assembly?
Solving Filtration and Backwash Issues
If sand returns to the pool or pressure drops unexpectedly, the internal assembly may need cleaning or replacement. This section explains how to identify and correct these issues.
Why does my filter lose efficiency shortly after backwashing?
How do I check for a broken lateral without draining the tank fully?
Can improper sand level cause uneven backwash flow?
Where can I find the R0745400 assembly in local shop stock near me?
How do I reseat the laterals to ensure even water flow across the base?
Preserving Internal Assembly and Filter Health
Keeping the standpipe and laterals clean and undamaged helps ensure long-lasting, balanced filtration.
How often should I replace or inspect the lateral set for wear?
What’s the best way to rinse and maintain the assembly between seasons?
Should I drain and dry the tank during off-season storage?
Do WPM stores carry replacement O-rings or laterals for the R0745400?
How can I prevent damage from freezing or improper sand removal?
Questions & Answers
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