House smells of sewage Please Help!

Discussion in 'Maintenance and Troubleshooting' started by tnkrizzo, Jan 1, 2011.

  1. engineer

    engineer Well-Known Member Industry Professional Forum Leader

    I'm with Joe on all points.

    Excessive force on filters such that they warp in service strongly suggests insufficient return face area. Mark is right about ECM blowers - they will ramp up to oppose restrictions in supply or return system. Home unit ECMs are rated at 0.5 to 0.75 " WC, but I've seen them in operation at upwards of 2", and that pressure will warp a cardboard filter

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