Fits BOTH RIV and MZ brand valves!
•Install springs to the heater block.
•Remove protective blue film.
•Install to the valve using the springs.
Switches off automatically when the max temp. of +194°F is reached and on when the temp. drops and reaches +167°F. Use only when necessary. Turn off when not in use through a proper switch (not supplied).
•Min. Temp.: -22°F• Max. Temp.: +148°F
NOTE: The Valve and the Heating Block must have a proper layer of insulation to ensure even heating.