general technical standards for normal pressure hot water boilers
What is the safe pressure for a hot-water-heating system?
Jan 19 2015 · The maximum pressure I am allowed it to get to is 30-psi because at that pressure the pressure relief valve will open. This is typical of residential hot-water boilers. As far as temperature is concerned my boiler will shut off if the temperature exceeds 205 F. THey do not want the