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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 nameplate −− Example: G71MPP−36B−070−7. All service must be performed by a licensed
professional installer (or equivalent), service agency, or gas supplier.
Cabinet Parts
Upper access panel
Blower access panel
Top cap
Control Panel Parts
Transformer
Integrated control
Door interlock switch
Circuit breaker
Blower Parts
Blower wheel
Motor
Motor mounting frame
Power choke (1 hp only)
Blower housing cut−off plate
Heating Parts
Flame sensor
Heat exchanger assembly
Gas manifold
Combustion air inducer
Gas valve
Main burner cluster
Main burner orifices
Pressure switches
Ignitor
Primary limit control
Secondary limit control
Flame rollout switches
Combustion air inducer auxiliary limit
H−fitting pressure switch assembly
G71MPP Start−Up & Performance Check List
w.c. − LP/Propane
Filter Clean & Secure?
Supply Voltage
Electrical Connections Tight?
Job Name
Job Location
Installer
Unit Model No.
Furnace Btu Input
Line Pressure
Job No.
City
City
Serial No.
Date
State
Technician
Flue Connections Tight?
Heating Section
Thermostat
Calibrated? Heat Anticipator Properly Set? Level?
Fuel Type: Natural Gas?
Blower Motor Amps
Blower Motor H.P.
Gas Piping Connections
Tight & Leak−Tested?
Proper Draft?
Vent Clear?
State
Temperature Rise
Fan Control Off Setting
Fan Control Setting
(45 Seconds Fixed On)
Regulator Pressure
w.c. − Nat.:
LP/Propane Gas?
Combustion Gas Tested?
CO
2
CO
Condensate Connections Tight?
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