ST22-80 Robertshaw Hot Water Thermostat 50-70* for Dual Hot Water Tanks

Dual-Element Surface-Mount Thermostat ST2207233 ST22-80 – 50°C to 70°C with 88°C Cut-Out

🌡️ Product Overview

Ensure reliable and accurate temperature regulation in your hot water system with this Dual-Element Surface-Mount Thermostat ST2207233 ST22-80.

Designed for twin-element domestic electric water heaters, this thermostat provides precise temperature control between 50°C and 70°C and includes a manual reset over-temperature safety cut-out at 88°C to protect against overheating.

Built for long-term durability and consistent performance, this unit is a trusted replacement solution for a wide range of Rheem, Dux, Aquamax, Stokes and Robertshaw electric storage hot water systems.

⚙️ Features

Dual-element surface-mount thermostat
Adjustable temperature range 50°C to 70°C
Manual reset safety cut-out activates at 88°C
High current rating up to 30A at 240V AC
Durable construction for long service life
Surface-mount design for secure tank installation
Screw terminal connections for safe and simple wiring

📐 Specifications

Specification | Details
Part Numbers | ST2207233 / ST22-80
Type | Dual-Element Surface-Mount Thermostat
Temperature Range | 50°C – 70°C
Over-Temperature Cut-Out | 88°C Manual Reset
Voltage | 240V AC
Current Rating | Up to 30 Amps
Application | Twin-Element Electric Water Heaters

🧩 Compatible Brands

Suitable for selected twin-element domestic electric hot water systems including:

Rheem
Dux
Robertshaw
Aquamax
Stokes

Please confirm your heater model and thermostat configuration before purchase. Contact us if unsure.

🔧 Installation Notes

Isolate power at the switchboard before commencing installation.

Remove the access cover and insulation panel from the heater.

Disconnect wiring from the existing thermostat noting terminal positions.

Remove old thermostat from tank surface or mounting bracket.

Fit the new ST2207233 thermostat securely against the tank surface.

Reconnect wiring to the screw terminals as per original configuration.

Replace insulation and access cover before restoring power.

Installation should be carried out by a licensed electrician in accordance with local regulations.

📦 Shipping & Returns

Dispatched within 1 business day from our Sydney warehouse
Tracked Australia Post delivery with Express options available
30-day returns accepted for unused items in original packaging

⭐ Why Buy From Us

100 percent genuine OEM water heater parts
Fast Australia-wide dispatch
Expert compatibility support
Trusted supplier for hot water and appliance spares

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