I have two rooms that are cold both rooms have baseboard rads,and are n the same room no bleeder valves but I see a spicket valve ( like outside hose valve)next to the zone valve how do I bleed this type of line my two other zones are fine thanks

I have two rooms that are cold both rooms have baseboard rads,and are n the same room no bleeder valves but I see a spicket valve ( like outside hose valve)next to the zone valve how do I bleed this type of line my two other zones are fine thanks
i too have two rooms with that set up. to bleed them close the return valve and open the
spicket vavle until the water comes out warm. thats called purging the system.