Armstrong ERS-LC Series Manual page 18

An air gap to prevent back flow is required and should be offset from the underside of the unit to prevent any
steam and/or condensation from getting into the cabinet.
CAUTION: keep a minimum downward slope of 10° for both the draining & overflow hoses of the humidifier
and for the general drain pipe.
Fig. B 2-5: Example of Installation with funnel
Designs, materials, weights and performance ratings are approximate and subject to change without notice. Visit armstronginternational.com for up-to-date information.
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