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The Pentair Pressure Switch 473605 is a genuine OEM replacement for select Pentair heaters and heat pumps, including MiniMax CH/NT, UltraTemp, and ThermalFlo Titanium models. It safeguards heating equipment by verifying water flow and pressure, preventing the system from running when circulation is too low. Designed with standard plastic threads and spade-style connectors, it allows for quick installation and reliable wiring. Built to OEM quality standards, this switch is essential for maintaining safe, efficient, and long-lasting performance of Pentair heating systems.
Highlights
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Wide System Compatibility: Works with Pentair MiniMax CH/NT heaters, UltraTemp heat pumps, and ThermalFlo Titanium units, offering versatile coverage.
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OEM Quality Assurance: Genuine Pentair part designed to factory specifications for consistent performance and compatibility with original equipment.
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Flow & Pressure Control: Ensures heaters and heat pumps only operate under safe water flow and pressure conditions, protecting against unsafe operation.
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Protects Heating Equipment: Prevents costly damage from running under improper flow conditions, enhancing overall reliability and lifespan of your system.
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Quick Setup Features: Includes standard plastic threads and spade connectors that make installation simple and maintenance straightforward.
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Built to Last: Manufactured with durable OEM-approved materials to withstand poolside conditions and repeated use.
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Essential Safety Function: Acts as a crucial safeguard, ensuring pool and spa heaters remain protected and operate correctly.
Includes
- (1) Pentair 473605 Pressure Switch
Compatibility
- Pentair MiniMax CH/NT Heaters
- Pentair UltraTemp Heat Pumps
- Pentair ThermalFlo Titanium Heat Pumps.
Additional Info
Looking for the OEM Pentair Pressure Switch 473605? This section provides guidance on installation, troubleshooting, and system protection, while highlighting local pricing and stock availability.
Installing the 473605 Switch in Pentair Systems
This switch threads easily into heaters and heat pumps, using spade terminals for wiring. Ensuring tight connections maintains safe and reliable performance.
How do I connect the Pentair 473605 switch to my ThermalFlo system?
Can I check local price and stock before purchasing the 473605?
Does the 473605 work with both MiniMax CH and NT heaters?
Is the switch shipped with spade connectors in local stock?
Fixing Low-Flow or Safety Shutdowns
If a heater fails to ignite, the pressure switch may not be detecting flow correctly. Replacing with the 473605 restores safe operation of Pentair heating equipment.
Why is my Pentair MiniMax heater shutting off under normal flow?
Can a failing 473605 switch trigger safety shutdowns in UltraTemp?
How do I test the 473605 pressure switch before replacement?
Do local shops offer diagnostics for pressure switch issues?
Local Shop Availability and Pricing
Wholesale Pool Mart offers the 473605 at competitive local pricing, ensuring quick replacement when heater or heat pump safety systems fail.
Where can I buy the Pentair 473605 switch near me?
Does Wholesale Pool Mart carry the lowest local price for this part?
How can I confirm the 473605 is in stock before visiting?
Are multiple switches available locally for service professionals?
Diagram

Questions & Answers
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