Navien 30000663A - Air Pressure Flow Sensor (APS)

The Navien 30000663A is a genuine OEM air pressure sensor (APS), also known by part number NASS9EX00009. It is designed for use in Navien heating systems, including tankless water heaters and condensing boilers. This sensor monitors air pressure to help ensure proper and efficient operation of the system. It features an analog output and is typically flange-mounted inside the unit.

Compatible with CR and CC Series Tankless Water Heaters, CH and CH-ASME Series Condensing Gas Combination Boilers, and NR and NP Series Condensing Tankless Gas Water Heaters, this sensor supports a pressure range of 0 to 100 psi. It is an essential replacement part for maintaining performance and safety in Navien systems.

Features

OEM Navien replacement part
Measures air pressure up to 100 psi
Analog output signal
Flange mount design
Compact and lightweight

Applications

CR/CC Series Tankless Water Heaters
CH/CH-ASME Series Condensing Gas Combination Boilers
NR/NP Series Condensing Tankless Gas Water Heaters

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Collection: CH/CH-ASME

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30000663A - Air Pressure Flow Sensor