Pentair ETi 250/400 Pressure Relief Valve (475618)
| Heater Parts | |
| Pentair Pool Products | |
| 475618 | |
| 47-102-1818 |
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Using the right replacement part matters during pool and spa service. Pentair ETi 250/400 Pressure Relief Valve (475618) supports a focused repair where fit, function, and reliability are important.
A proper pressure relief valve is a critical safety and service component on ETi 250 and ETi 400 heater systems, helping relieve excess pressure during operation. It is useful when the existing component shows wear, damage, age-related failure, or performance issues in the larger pool or spa system.
- Made for ETi heater pressure-management repairs
- Supports safer heater operation and protection against pressure-related stress
- Check thread fit, relief rating, and heater compatibility before installation
- Use part number to verify fit
Before installation, compare the existing part number, dimensions, and system configuration. A careful match helps protect surrounding equipment and supports proper operation.
Pentair Pool Products – Pool Pumps, Filters, Heaters, Automation Systems and Parts |
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Who is Pentair Pool Products?
Pentair Pool Products is a global leader in pool and spa equipment, known for innovative, high-performance solutions used in residential and commercial pools. With decades of industry leadership, Pentair has built a reputation for engineering excellence, reliability, and energy-efficient technology. Their equipment is widely trusted by pool professionals and homeowners for maintaining clean, safe, and efficient pool systems. What products does Pentair Pool Products specialize in?Pentair specializes in a full range of pool and spa equipment, including pool pumps, filters, heaters, automation systems, cleaners, lighting, valves, and replacement parts. Their product lineup features industry-leading technologies such as variable speed pumps, cartridge and sand filtration systems, gas heaters, salt chlorine generators, and smart pool automation controls. These products are designed to optimize water circulation, filtration, and overall system performance. Why choose Pentair Pool Products parts for your pool or spa?Pentair products are known for durability, energy efficiency, and advanced technology. Their equipment is engineered to reduce energy consumption, improve water quality, and extend the lifespan of pool systems. Pool owners and professionals choose Pentair for reliable, high-performance solutions that simplify maintenance and lower operating costs. How do you identify and choose the correct Pentair Pool Products part?To select the correct Pentair part, it’s important to match your equipment model, part number, and system specifications such as horsepower, filter type, or connection size. Reviewing product manuals and compatibility ensures proper fit and performance. Choosing the right part helps maintain system efficiency and prevents costly issues. Need help finding the right Pentair Pool Products part?At Bath & Spa Parts Online, we carry a wide selection of Pentair Pool Products pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support. |
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