my heater keeps blowing cold air ive put a new thermostat in and still its cold

declan, February 2010

are the hoses leading to the heater matrix getting warm? they should get warm a few minutes after startup. if not the hoses could have an obstruction if not furred up. otherwise check the matrix itself for the same, assuming the cables behind the sliding control knob are ok.

Chris P.Duck, February 2010