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  1. Residential HVAC Forum
    Thanks for any advice. I have a 16 year old heat pump - Trane 2TWR3-UP-1A. The fan went out a month ago and I replaced the starter capacitor thinking it was fixed. Since then the fan stopped running several times. The capacitor and relay switch are good. The resistance between motor wires...
  2. General HVAC Discussion
    how I can interlock roof fan with furnace. what kind of relay i need to use
  3. Residential HVAC Forum
    Have a hip roofed duplex with shared attic. There are no gable end walls to mount louvres. I would like to mount a ceiling whole house exhaust fan and duct directly to roof. Problem is finding a roof louvre large enough to exhaust 4000 cfm to 6000 cfm. Graingers on-line seems to want to...
1-3 of 3 Results