Products: Thermostatic Draft Regulators / RT3
RT3 Thermostatic Draft Regulator
The regulator needs no power supply. The desired temperature of heating water is set with a knob and kept by the regulator opening or closing the combustion air damper, which increases or decreases the output of the boiler. G3/4" connection size, reducing coupler to G1" , G1/2" available as a special order.RT3 Thermostatic Draft Regulator
















