AVTB is a direct acting thermostatic temperature controller used to regulate the water temperature in a variety of applications, closing on a rise in sensor temperature.
AVTB-RA is a reverse acting thermostatic temperature controller used to regulate water temperatures, opening on a rise in sensor temperature.
AVTB closes on rising temperature
AVTB-RA opens on rising temperature
Can be fitted either on the return or supply
Pressure range PN 16 (232psi/16 bar)
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