Rod Thermostats
We manufacture 3 Main types of Rod Thermostat:
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VKL 2000 Series
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VKL 3000 Series
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VK 4000 Series
VKL 2000 Rod Thermostat
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16 amp rating
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Simple 2 wire connection
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Available in 3 Standard lengths
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Manual Reset Model
The VKL Series Immersion Heater Thermostat is a small head design making it suitable for all purposes
including dual heater applications.
The Thermostats have side entry terminals for easier cable connection.
The VKL comes in 3 standard lengths and provides accurate control of the temperature of electric water
heaters. The VKL Series conforms to the requirement of EN 60730.
VKL 3000 Rod Thermostat
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Complies with latest European Safety Legislation EN60335-2-73
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In-built over temperature cut - out
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16 amp rating
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Small head design, suitable for retrofit applications
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Available in 3 Standard lengths
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Simple 2 wire connection
The VKL 3000 Series Rod Thermostat is a conventional Rod Control Thermostat and an Over Temperature Cutout Thermostat both contained within the same housing providing a simple cost effective compliance to meet
with the new European Safety Legislation (EN 60-353-2-73).
Its simple two-wire connection, identical to conventional immersion rod thermostats and the small head size
enables fast and easy installation even in Dual Immersion Heater or retro-fit applications, The unique, patented
‘One shot’ Over Temperature sensing action is impossible to reset by hand, offering a degree of safety by
ensuring the control stat which caused the over temperature condition is replaced and nol merely reset to fail
again. This prevents repeated use of a damaged control stat and eliminates further potential damage to the
immersion heater through repeated high temperature cycling. Two completely independant sensing
mechanisms and two sets of 16A switch contacts provide effective temperature control with fast irreversible
over temperature cut-out in an emergency.
VK 4000 Rod Thermostat
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20 amp rating
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Simple 2 wire connection
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Available in 3 Standard lengths
The VK 4000 Series is a heavy duty Thermostat, suitable for loads up to 20 Amps. The product is designed
with a heavy duty contacts and robust switching mechanism to provide excellent reliability and long life.
Electrical connections to the Thermostat are made simple by the incorporation of two pinching screw type
terminals within the switch head.
VK 4000 Thermostats conform to the requirements of EN60730.