Noritz NRCP Code Er32
Hot water thermistor open or short. The hot water outlet sensor is open circuit or short circuit. It shares the remedies Noritz gives for the other thermistors: check the sensor and connectors, measure resistance, replace it if open or short. This is the sensor the unit uses to hold your set temperature.
Also displayed as: 32, E32
Part replacementThe verdict
Replace a part
A failing outlet sensor shows up as water that swings rather than as no hot water at all. Cheap part, service call to fit it, worth doing promptly.
Typical cost: $120–$450
US estimate for parts and labor. Prices vary by region and by who does the work — see how we estimate costs.
What the manual says
The meaning above is transcribed from the manufacturer's diagnostic documentation for the NRCP — not averaged across the brand.
Source: Noritz Service Manual — NRCP111-DV / NRCP98-DV (Rev. 09/19) (p. 62), read Sep 2026 — the manufacturer's own documentation for this exact series.
What you can safely check
- Warn the household that outlet temperature may be unreliable until it is fixed.
- Book a service call.
Code Er32 on other Noritz series
The same code number can mean something different on another series — make sure you're reading the page for your exact unit:
Don't confuse this with
3 other Noritz NRCP codes point at a thermistor too. They are different components in different places, and ordering a part against the wrong one is the most common way this fault gets expensive: