Show home heating hints fmc by john n barclay heating g expert afaf beep air out of steam and hot ue water radiators so heat can f circulate freely IF i frequently I 1 get complaints ifa from homeowners home owners about fail c of steam or hot water heating p W systems to keep radiators com hot f this condition is often due to air y feeding feeing leing in the coils of the radiator athis this air must be released before before ai the ithe coils can fill with steam this I 1 usually is simple being remedied ed se by automatic air valves if your ta pl radiator has such valves and t the he i radiators remain air bound un j screw the little plug at the top of I 1 the valve tightening the plug J again ogain when all the air escapes from the valves putting the vent valves for a few hours in a container of kerosene also helps to eliminate the air however if neither of these operations erat ions corrects the trouble or should the coils fill with water vater it would be a good policy to have an expert check the valves and remedy the difficulty it is possible also for hot water a radiators to become air choked to overcome this open the air air valves once in awhile with a valve aey and leave them open until water starts flowing from them |