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The Swimables SW-70-355 is a precision-engineered pilot screw designed for Pentair-style pool light niches, replacing part numbers 619355 and 79104800. Constructed from 316-grade stainless steel, this fastener provides superior resistance to corrosion in chlorinated and saltwater environments. The integrated captive gum washer ensures a reliable watertight seal beneath the screw head, preventing moisture ingress behind the light lens. With its anti-cross-thread pilot tip and exact-fit threading, the SW-70-355 simplifies light maintenance, protects housing threads, and supports long-term fixture integrity in stainless-niche installations.
Highlights
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316 Stainless Steel Build: Marine-grade construction resists rust and corrosion from chlorine, salt, and outdoor exposure.
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Integrated Gum Washer: Captive washer creates a dependable watertight seal to protect internal light components.
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Direct Replacement Fit: Replaces Pentair-style part numbers 619355 and 79104800 with precise alignment and thread compatibility.
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Anti-Cross-Thread Design: Pilot-tip threading prevents galling and ensures secure, damage-free installation.
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Reliable for Stainless Niches: Ideal for use in stainless pool-light housings to maintain electrical grounding and fixture longevity.
Additional Info
The Swimables SW-70-355 pilot screw with gum washer is a corrosion-resistant replacement fastener designed for professional service and local maintenance needs. Made from 316-grade stainless steel, it delivers lasting protection and sealing reliability in pool and spa lighting applications.
Engineered for Local Service Durability
Built for repeated handling and dependable performance, this screw resists pitting and thread fatigue in harsh pool environments. Its 316 stainless alloy supports long-term reliability in routine maintenance operations.
What makes this fastener reliable for local service work?
How does stainless construction reduce maintenance frequency?
Why choose 316 stainless steel for regional pool systems?
Secure Gum Washer Protection
The attached gum washer forms a compression seal that prevents water intrusion. It safeguards gaskets, wiring, and contact points from damage caused by moisture or pressure changes.
How does the washer improve sealing during field replacements?
What issues can occur if a washer seal is compromised?
How can local technicians ensure a consistent fit?
Direct Replacement Compatibility
The SW-70-355 is interchangeable with Pentair part numbers 619355 and 79104800. Its pilot-thread design aligns easily with existing niche threads, minimizing installation time and reducing the risk of cross-threading.
Which part numbers match this replacement screw?
What steps ensure a proper fit during local service calls?
How does the pilot-style tip improve accuracy and alignment?
Questions & Answers
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