E 2008 Lennox Industries Inc. Dallas, Texas, USA 505,335M G71MPP 03/2009 Supersedes 03/2008 SERIES VARIABLE CAPACITY GAS FURNACE Litho U.S.A. WARNING FIRE OR EXPLOSION HAZARD. Failure to follow safety warnings exact- ly could result in serious injury, death, or property damage.
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NO HEAT condition (frozen pipes, etc.) supervisor. Lennox Industries Inc. WARNING P.O. Box 799900 Dallas, TX 75379−9900 Before attempting to perform any service or mainte- nance, turn the electrical power to unit OFF at the disconnect switch.
(or Because of this, Lennox recommends the use of a car- equivalent), a service agency, or the gas supplier. bon monoxide detector in your home, even if you do not own gas appliances.
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DANGER VARIABLE CAPACITY GAS VALVE Danger of explosion. There are circumstances in which odorant used with LP/propane gas can lose its scent. In case of a leak, LP/propane gas will settle close to the floor and may be difficult to smell. An LP/propane leak detector should be installed in all LP applications.
Remove any ob- Call your Lennox service technician if the unit will not oper- structions. ate. Before calling, always check the following to be sure service is required: Inspect the furnace for obvious signs of deterioration.
Repair Parts List The following repair parts are available through Lennox dealers. When ordering parts, include the complete furnace model number listed on the CSA International nameplate −− Example: G71MPP−36B−070−1. All service must be done by a li- censed professional installer (or equivalent), a service agency, or the gas supplier.
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