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HYDRO THERM BOILER PROBLEM
boiler off despite thermostat calling for heat.RA832A relay engage but pumm[big,red] is off.riser hot,return ice cold.ok. make of the boiler:HYDRO THERM. model:HC100 and serial :OX3939.[input 100 000 BTU] with it goes thermostat LUXPRO[i just changed it thought it would help but it did not].Limit control :LISTED 169H set up for 180"F and it has red[big]pump.Today still riser was hot but boiler off[relay contacts engaged though] and pump off.When i turn switch off and back on all came to life right away..Please give me an idea what should i do?Thank You
Read more: http://www.doityourself.com/forum/boilers-home-heating-steam-hot-water-systems/512429-hydro-therm-boiler-problem.html#ixzz2mej36lzO