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Posted by George on October 12, 2011 at 23:36:14:
In Reply to: low pressure boiler control posted by Rick on September 15, 2011 at 08:57:29:
: Hi.. youve helped me in the past with my home boiler. Got another one for ya... this time... from work. I have a low prrssure fire tube boiler and i have a small heat timer in the master panel that with switch to #2 oil from gas if the temp falls below 15 degrees. I would also like to make the boiler fire when the temp goes below 55 degrees. The heat timer i have mounts on a 1900 box in the cabinet. Is there a product that will mount in the same spot that i can have 2 different setpoints to accomplish my goals?? Thankx
Why don't you install a low limit control in the power to the board (or the power supply to the temperature limit control circuit), whichever is appropriate. It could conceivably be installed in the existing limit loop.