Lennox GCS20R-030-75-04 Replacement Parts
Compatibility GuaranteedVerified OEM PartsFast Shipping
11 parts available
Filter Part Category
Verified Fit

Ignitor Electrode
Part #: 000-826
In Stock
CA$32.90
Verified Fit

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE
Part #: 352-017
In Stock
CA$54.82
Verified Fit

5/8" FLAME ROLLOUT SWITCH DISC MANUAL RESET L200F
Part #: 765-202
In Stock
CA$52.50
Verified Fit

LENNOX ARMSTRONG PRESSURE SWITCH -0.10" WC
Part #: 773-192
In Stock
CA$108.58
Verified Fit

RUN CAPACITOR 5MFD 370V/440V
Part #: 668-512
In Stock
CA$39.62
Verified Fit

RUN CAPACITOR 45/5MFD 370/440VAC
Part #: 668-614
In Stock
CA$57.34
Verified Fit

LENNOX IGNITION CONTROL BOARD
Part #: 000-545
In Stock
CA$489.15
Verified Fit

LENNOX CONTROL BOARD, TIME DELAY RELAY
Part #: 001-025
In Stock
CA$173.13
Verified Fit

1/2" X 1/2" SINGLE STAGE HSI/DSI FAST OPENING GAS VALVE UPGRADE
Part #: 427-077
In Stock
CA$398.76
Verified Fit

LENNOX RELAY, BLOWER, ICE CUBE, 24VAC, SPDT
Part #: 001-189
In Stock
CA$70.72
Verified Fit

CONTACTOR 1-POLE 24VAC COIL 30AMP
Part #: 872-511
In Stock
CA$52.75
Not seeing the part you need?
Our team is happy to help you find the right part for your Lennox GCS20R-030-75-04.
Related Lennox Models
Other Lennox models in the same series — tap to view their replacement parts.
OEM Replacement Part Numbers
The Lennox GCS20R-030-75-04 uses 11 OEM part numbers. Click any highlighted number to view its replacement.
Need Help Finding the Right Part?
Our furnace parts experts can help with compatibility questions for your Lennox GCS20R-030-75-04.

