Navien Hot Button thermistor type?

[BenT123]

Does anyone know what kind of thermistor (part# GXXX001640) Navien's Hot Button is using?

 

[Fitter30]

Sensor temp 77° measure resistance 10k. 10k thermistor . Here's one of their charts. Not for a hot button but it's water temp.

Thermistor - Navien NCB-150E Service Manual [Page 67]

Navien NCB-150E Manual Online: Thermistor. Part Function Failure Event Effects Error Code Diagnostic Color/Number of wires Temp(F) 32-40 40-50 50-60 60-70 70-80 80-90 90-100 100-110 66 NCB-E Service Manual Measure Hot water, Cold water, Space heating outlet and inlet temperatures in...

www.manualslib.com

 

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[BenT123]

Sensor temp 77° measure resistance 10k. 10k thermistor . Here's one of their charts. Not for a hot button but it's water temp.

Thermistor - Navien NCB-150E Service Manual [Page 67]

Navien NCB-150E Manual Online: Thermistor. Part Function Failure Event Effects Error Code Diagnostic Color/Number of wires Temp(F) 32-40 40-50 50-60 60-70 70-80 80-90 90-100 100-110 66 NCB-E Service Manual Measure Hot water, Cold water, Space heating outlet and inlet temperatures in...

www.manualslib.com

Hm, I don't know of any ntc 10k that is 25.4k ohm at 32F.

 

[Fitter30]

Hm, I don't know of any ntc 10k that is 25.4k ohm at 32F.

Did you look at the chart 17.9k - 25.4k 32- 40°
There isn't one thermister that I've seen as a base temp it always.been 77° either 10k or 1k thermisters. Sensor looks like it cost $13.