Robertshaw TSTAT HWS 50-70 EWT OTC84 RS-ST12-70K x 1 /EACH
$45.68 inc GST
Trade-grade hws thermostat for hot water systems with a 50–70°C range and built-in over-temperature protection.
20 in stock

Fast Shipping
On All Orders

15+ Years
Industry Experience

Australian Company
Owned & Operated

Easy Returns
30 Days Peace Of Mind
Description
Reliable Temperature Control for Hot Water Systems
This hws thermostat is a dependable solution for maintaining consistent hot water temperatures on residential and light commercial jobs. Designed for hot water system applications, it delivers stable performance across a 50–70°C operating range, helping ensure comfort while reducing call-backs caused by temperature fluctuation. Built to handle 240V at 30A, it’s suited to real-world trade conditions where reliability matters on every install or replacement.
Built for Compliance and Long-Term Reliability
Manufactured by Robertshaw, this hot water thermostat is engineered for durability and peace of mind on site. The SPST configuration provides straightforward, dependable switching, while the 84°C over-temperature cut-out (OTC) adds an extra layer of protection. Ideal for electricians who need compliant, fit-for-purpose components that support safe operation and minimise risk on completed installations.
Trade-Friendly Fit and Fast Turnaround
This hws thermostat is a practical choice for electricians and maintenance teams who value speed and simplicity. Easy to specify, easy to replace, and compatible with common hot water system setups, it helps keep jobs moving without unnecessary delays. A solid option to keep on hand for breakdowns, maintenance work, or scheduled system upgrades—reducing downtime and keeping clients satisfied.
Key Specs
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Temperature range: 50–70°C
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Switch type: SPST
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Voltage rating: 240V
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Current rating: 30A
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Over-temperature cut-out: 84°C
Ideal For
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Hot water system repairs and replacements
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Residential and light commercial installations
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Maintenance teams managing hot water assets
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Licensed electricians needing reliable spare parts





