ESI ESRTM Mechanical Room Thermostat

The ESI ESRTM is a mechanical room thermostat designed as an ideal replacement for older mechanical models. It features a large, clear adjustable dial with a familiar feel for older users.

Key Features

• Large, clear adjustable dial with familiar feel for older users
• Easy fit back plate allowing replacement of older style thermostats with no additional wiring required
• Volt free contacts suitable for combination or normal boilers
• Audible click when dial turned past current temperature
• 3-year warranty for complete peace of mind

Specifications

• Temperature setting range: 5°C to 30°C
• Current rating: 16(4) A (voltage free)
• Power supply: 230 V AC, 50-60 Hz
• Dimensions: 85 mm x 85 mm x 35 mm
• Operating temperature range: 0°C to 40°C
• Terminal differential: <0.6°C at 4°/hour
• Double insulated, surface or pattress mounted

Applications

Suitable for central heating systems with combination or conventional boilers. Two-wire installation; three-wire setups require neutral to be made safe.

What’s in the box

ESRTM Mechanical Room Thermostat with back plate and installation instructions.