Also included in the adjustment drive train that is powered by stepper motor 36 are a toothed sprocket 96, preferably formed integral with the end of adjustment shaft 92 opposite threaded end 94, journaled drive shaft 97 connected to stepper motor 36, a toothed
Read MorePre-purge timing set for 4 air changes on fire tube boilers and 8 air changes on water tube boilers per NFPA 85. The exact timing must be determined by the boiler manufacturer. For example, typical pre-purge timing with wide open forced draft damper and forced draft fan at full speed has been 30 seconds for packaged fire tube boilers and 2 minutes for packaged water tube boilers.
Read MoreOne of the built in wardrobes houses an Ideal condensing combination gas-fired central heating boiler. Single panel radiator. Television point. Telephone point. SEPARATE WC - 8'0" (2.44m) x 3'11" (1.19m) The Separate WC has been refurbished and has a two
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