Raypak Differential Pressure Kit For Avia 404A | 018931F

The Raypak 018931F Differential Pressure Kit is an OEM replacement part for Avia 404A and Avia HD NiTek 404A gas-fired heaters. It measures pressure differences through the heater’s water flow system, enabling shutdown or alarm functions when blockages or low flow occur. Designed with OEM precision, it helps prevent overheating while supporting consistent efficiency. Constructed from corrosion-resistant materials, this kit provides reliable operation in demanding heater environments and helps extend the service life of your Raypak equipment.

Highlights

• Safety Monitoring Function: Detects changes in flow by measuring differential pressure, allowing the heater to shut down or trigger alerts before serious damage occurs.

• Genuine OEM Fit: Built to Raypak standards for proper integration with Avia 404A and Avia HD NiTek 404A heaters, providing assurance of quality and fit.

• Engineered Components: Includes precision diaphragms, fittings, and sensors that respond quickly to flow variations, maintaining proper heater function.

• Durable Construction: Crafted with corrosion-resistant seals and metals that withstand pool chemicals and the combustion environment inside the heater.

• Protects Warranty Conditions: Using OEM-level safety parts ensures the heater continues to meet manufacturer requirements for reliable operation and warranty coverage.

Compatibility

• Raypak Avia 404A Heater Model 018033
• Raypak Avia HD NiTek 404A Heater Model 018045
  

Additional Info

Need details on the Raypak 018931F Differential Pressure Kit for Avia 404A and Avia HD NiTek 404A heaters? This section covers compatibility, installation guidance, and common troubleshooting searches for online buyers.

Online Installation Guidance

The 018931F kit requires correct hose placement between the inlet and outlet ports. Learn how to confirm the sensor is mounted properly when ordering online without in-person help.

Buy online 018931F Raypak Avia kit installation instructions

Does 018931F ship with tubing for Avia HD NiTek 404A heaters

Online setup guide for 018931F differential pressure sensor on Avia

How to confirm correct orientation of 018931F when installing from online order

Troubleshooting Pressure Sensor Problems

False alarms or missed flow detection are often linked to blocked ports, loose fittings, or moisture in hoses. Online users can follow these checks before seeking warranty service.

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How to fix false pressure reading after buying 018931F online

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Does the 018931F differential pressure sensor need calibration after shipping

Ordering Online with Confidence

Confirm model numbers before ordering and take advantage of free shipping options. Online buyers want to avoid delays from incorrect parts.

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How to confirm compatibility of 018931F with Avia HD NiTek 404A before checkout

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Buy online 018931F Raypak kit and avoid wrong part returns