Navien30015811A – Air Pressure Sensor – APS-02-A Replacement for NPE and NCB Series

The Navien 30015811A is a genuine OEM air pressure sensor designed for use in Navien NPE series condensing gas tankless water heaters and NCB series condensing gas boilers. It plays a key role in ensuring proper combustion by monitoring the air pressure within the system. Accurate pressure readings allow the control system to adjust operation for optimal efficiency and safety.

This sensor is a direct replacement for the APS-02-A and is designed to fit seamlessly in compatible units. It supports consistent burner performance and helps prevent operational issues caused by pressure imbalance.

Specifications:

• Product Type: Air pressure sensor
• Function: Monitors internal air pressure for safe combustion
• Replaces: APS-02-A

Applications:

• Compatible with Navien NPE series tankless water heaters (including 180 and 210 models), NCB series condensing boilers, and select NHB55 and NCB-240E-LP models

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