mecanik

karoly

where do you place the thermostat in a multy unit bldg. or how do you controll temperature with a single unit steam boiler for multible units

nicholas bonham-carter

steam control

what is controlling the system now, and does it work? some steam problems may seem to be control issues but are not.

you can either use a honeywell visionpro thermostat with its remote sensor mounted in an upper northwest room inside wall, with the control in a secure location; or you can install a more sophisticated tekmar 279 which controls the on time based  on outside temperature.

it's important to make sure that there is no deferred maintenance for either system to compensate for. the main venting needs to be capacious to allow the air to escape quickly as the steam is rising. you do not want to pay the gas company for its forced eviction! the pressure should be low. on my 55 rad system 2 ounces is the norm with maybe 8 ounces on a really cold night!  the only benefit to higher pressure is to the gas company! the goal is to get steam into each top floor radiator at the same time.

night set-backs may not save any money, because the fuel burned to raise the temperature may equal the fuel saved at the lower temperature.--nbc