525016 Suburban Thermostat /ECO 120V 140DEG

OEM Thermostat + ECO High‑Limit Switch for Suburban RV Water Heaters

The 525016 is the OEM Suburban thermostat and ECO (energy cut‑off) kit used on 120‑volt electric‑mode Suburban RV water heaters. This assembly includes the 140°F operating thermostat and the automatic high‑limit ECO safety switch, which opens on over‑temperature to protect the water heater.

The 525016 thermostat/ECO kit regulates the 120‑volt electric heating element in Suburban water heaters. The thermostat maintains a 140°F operating temperature, while the ECO provides an automatic high‑limit safety cutoff if the tank overheats.

Common symptoms indicating replacement:

• Electric mode not heating

• Water overheating

• ECO tripping repeatedly

• Thermostat not cycling the element

• Intermittent or no hot water

This OEM kit restores proper temperature regulation and safety protection.

📐 Key Features

• OEM Suburban thermostat + ECO safety switch

• 140°F operating thermostat

• 120V electric‑element application

• ECO provides automatic high‑limit protection

• Direct replacement for factory assembly

• Fits multiple Suburban electric‑mode RV water heaters