Skip to accessibility statement
Free shipping on orders over $99
●
Your Zip:
43230
ORDER STATUS
Your Zip:
43230
HELP
MENU
CONTACT & SUPPORT
Live Chat Offline:
Email Us
SIGN IN
0
CART
×
SIGN IN
Shop by Category
Plumbing
Heating
HVAC
Electrical
PEX
Fittings
Valves
Tools
Resources
Our Team
Account
Order History
Returns
Customer Support
Give Us Feedback
Tools
Reorder
Quick Order
Saved Carts
Lists
Resources
PEX Plumbing
PEX Tools
Radiant Heat
Boiler Room
Plumbing Supplies
Air Conditioning
Video Library
Project Calculators
Find Parts For Your Unit
Filter menu expanded
Filters
Hide Filters
195 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (47)
Show
In Stock Only
(47)
Used With
–
AHE Boilers Filter (2)
AHE Boilers (2)
CG Boilers Filter (29)
CG Boilers (29)
CG-5 Boilers Filter (1)
CG-5 Boilers (1)
CG-25 Boilers Filter (1)
CG-25 Boilers (1)
CGa Boilers Filter (27)
CGa Boilers (27)
CGa-5 Boilers Filter (2)
CGa-5 Boilers (2)
CGa-25 Boilers Filter (3)
CGa-25 Boilers (3)
CGi Boilers Filter (85)
CGi Boilers (85)
CGi-3 Boilers Filter (13)
CGi-3 Boilers (13)
CGi-4 Boilers Filter (12)
CGi-4 Boilers (12)
See More
Review Score
–
5 Filter (28)
(28)
4 Filter (4)
(4)
3 Filter (3)
(3)
Price Range
–
$10 to $15 Filter (24)
$10 to $15 (24)
$15 to $20 Filter (9)
$15 to $20 (9)
$20 to $25 Filter (2)
$20 to $25 (2)
$25 to $30 Filter (3)
$25 to $30 (3)
$30 to $35 Filter (3)
$30 to $35 (3)
$40 to $45 Filter (1)
$40 to $45 (1)
$45 to $50 Filter (1)
$45 to $50 (1)
$50 to $60 Filter (14)
$50 to $60 (14)
$60 to $70 Filter (4)
$60 to $70 (4)
$70 to $80 Filter (6)
$70 to $80 (6)
See More
Home
Heating Supplies & Parts
Boiler Parts
Weil McLain Boiler Parts
Weil McLain CGi Boiler Parts
Weil McLain CGi Boiler Parts
FIND PARTS FOR YOUR UNIT
195 items
FILTER
Grid
List
Sort: Top Sellers
512-050-230 Compare Checkbox
Compare
Rollout Thermal Fuse Element, 228°C, 512-050-230
SKU:
512-050-230
Weil-McLain
SKU:
512-050-230
Brand:
Weil-McLain
(49)
–
+
$30.28
each
ADD TO CART
Add to List
In Stock
Get 41 by
Tue, Jul 7
Total Available: 151
In Stock
Get 41 by
Tue, Jul 7
Total Available: 151
Add to List
560-742-860 Compare Checkbox
Compare
Pilot Tubing w/ Compression Fittings, 22-3/4" Long, 560-742-860
SKU:
560-742-860
Weil-McLain
SKU:
560-742-860
Brand:
Weil-McLain
(46)
–
+
$22.28
each
ADD TO CART
Add to List
In Stock
Get 103 by
Tue, Jul 7
Total Available: 552
In Stock
Get 103 by
Tue, Jul 7
Total Available: 552
Add to List
511-330-080 Compare Checkbox
Compare
Pilot Assembly Kit for CGT, CGS, CGi Boilers (NG), 511-330-080
SKU:
511-330-080
Weil-McLain
SKU:
511-330-080
Brand:
Weil-McLain
(12)
–
+
$162.73
each
ADD TO CART
Add to List
In Stock
Get 18 by
Tue, Jul 7
Total Available: 44
In Stock
Get 18 by
Tue, Jul 7
Total Available: 44
Add to List
381-356-499 Compare Checkbox
Compare
Inducer Fan Assembly Kit for CGi, CGS Boilers, 381-356-499
SKU:
381-356-499
Weil-McLain
SKU:
381-356-499
Brand:
Weil-McLain
(16)
–
+
$708.68
each
ADD TO CART
Add to List
In Stock
Get 13 by
Tue, Jul 7
Total Available: 81
In Stock
Get 13 by
Tue, Jul 7
Total Available: 81
Add to List
510-312-250 Compare Checkbox
Compare
Operating Temperature Control (All Sizes), 510-312-250
SKU:
510-312-250
Weil-McLain
SKU:
510-312-250
Brand:
Weil-McLain
(17)
–
+
$183.47
each
ADD TO CART
Add to List
In Stock
Get 16 by
Tue, Jul 7
Total Available: 72
In Stock
Get 16 by
Tue, Jul 7
Total Available: 72
Add to List
511-330-090 Compare Checkbox
Compare
1107-1 Control Module w/ 10 Second Pre-Purge for CGi, CGS, CGT Boilers, 511-330-090
SKU:
511-330-090
Weil-McLain
SKU:
511-330-090
Brand:
Weil-McLain
(13)
–
+
$306.00
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Jul 7
Total Available: 38
In Stock
Get 4 by
Tue, Jul 7
Total Available: 38
Add to List
381-330-025 Compare Checkbox
Compare
Control Module, 381-330-025
SKU:
381-330-025
Weil-McLain
SKU:
381-330-025
Brand:
Weil-McLain
(7)
–
+
$346.59
each
ADD TO CART
Add to List
In Stock
Get 18 by
Tue, Jul 7
Total Available: 54
In Stock
Get 18 by
Tue, Jul 7
Total Available: 54
Add to List
380-000-000 Compare Checkbox
Compare
Combination Pressure-Temperature Gauge Kit, 380-000-000
SKU:
380-000-000
Weil-McLain
SKU:
380-000-000
Brand:
Weil-McLain
(9)
–
+
$53.10
each
ADD TO CART
Add to List
In Stock
Get 13 by
Tue, Jul 7
Total Available: 60
In Stock
Get 13 by
Tue, Jul 7
Total Available: 60
Add to List
381-354-588 Compare Checkbox
Compare
Inducer Fan Assembly Kit w/ Hardware for CGi S3 Boilers, 381-354-588
SKU:
381-354-588
Weil-McLain
SKU:
381-354-588
Brand:
Weil-McLain
(1)
–
+
$380.70
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jul 7
Total Available: 18
In Stock
Get 1 by
Tue, Jul 7
Total Available: 18
Add to List
512-200-078 Compare Checkbox
Compare
Stainless Steel Burner w/ Pilot Bracket for CG, CGA, CGi Boilers, 512-200-078
SKU:
512-200-078
Weil-McLain
SKU:
512-200-078
Brand:
Weil-McLain
(5)
–
+
$33.25
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jul 7
Total Available: 12
In Stock
Get 1 by
Tue, Jul 7
Total Available: 12
Add to List
511-842-370 Compare Checkbox
Compare
Control Transformer, 24V, 511-842-370
SKU:
511-842-370
Weil-McLain
SKU:
511-842-370
Brand:
Weil-McLain
(8)
–
+
$64.65
each
ADD TO CART
Add to List
In Stock
Get 6 by
Tue, Jul 7
Total Available: 23
In Stock
Get 6 by
Tue, Jul 7
Total Available: 23
Add to List
511-330-081 Compare Checkbox
Compare
Pilot Assembly Kit for CGT, CGS, CGi Boilers (LP), 511-330-081
SKU:
511-330-081
Weil-McLain
SKU:
511-330-081
Brand:
Weil-McLain
(12)
–
+
$138.36
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tue, Jul 7
Total Available: 17
In Stock
Get 5 by
Tue, Jul 7
Total Available: 17
Add to List
590-317-650 Compare Checkbox
Compare
17" Air Pressure Switch Tubing, 590-317-650
SKU:
590-317-650
Weil-McLain
SKU:
590-317-650
Brand:
Weil-McLain
–
+
$13.00
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Jul 7
Total Available: 20
In Stock
Get 4 by
Tue, Jul 7
Total Available: 20
Add to List
511-330-099 Compare Checkbox
Compare
Ignition Control Module for CGi Boilers (All Sizes), 511-330-099
SKU:
511-330-099
Weil-McLain
SKU:
511-330-099
Brand:
Weil-McLain
–
+
$235.90
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tue, Jul 7
Total Available: 20
In Stock
Get 5 by
Tue, Jul 7
Total Available: 20
Add to List
381-354-580 Compare Checkbox
Compare
Inducer Fan Assembly Kit for CGi Boilers, 381-354-580
SKU:
381-354-580
Weil-McLain
SKU:
381-354-580
Brand:
Weil-McLain
(11)
–
+
$511.25
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tue, Jul 7
Total Available: 16
In Stock
Get 5 by
Tue, Jul 7
Total Available: 16
Add to List
381-330-040 Compare Checkbox
Compare
Control Module For CGi Series 4 Boilers, 381-330-040
SKU:
381-330-040
Weil-McLain
SKU:
381-330-040
Brand:
Weil-McLain
(3)
–
+
$257.83
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jul 7
Total Available: 10
In Stock
Get 1 by
Tue, Jul 7
Total Available: 10
Add to List
511-624-302 Compare Checkbox
Compare
Air Pressure Switch, 1.40" W.C., for CGi Boilers (Size 4), 511-624-302
SKU:
511-624-302
Weil-McLain
SKU:
511-624-302
Brand:
Weil-McLain
(7)
–
+
$58.50
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jul 7
Total Available: 5
In Stock
Get 2 by
Tue, Jul 7
Total Available: 5
Add to List
511-624-303 Compare Checkbox
Compare
Air Pressure Switch, 1.12" W.C., for CGi Boilers (Size 5), 511-624-303
SKU:
511-624-303
Weil-McLain
SKU:
511-624-303
Brand:
Weil-McLain
(7)
–
+
$68.67
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jul 7
Total Available: 11
In Stock
Get 2 by
Tue, Jul 7
Total Available: 11
Add to List
511-330-219 Compare Checkbox
Compare
Pilot Burner Assembly Kit Intermittant Ignition for LGB, CGi Boilers, 511-330-219
SKU:
511-330-219
Weil-McLain
SKU:
511-330-219
Brand:
Weil-McLain
(11)
–
+
$171.92
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tue, Jul 7
Total Available: 22
In Stock
Get 8 by
Tue, Jul 7
Total Available: 22
Add to List
511-624-304 Compare Checkbox
Compare
Pressure Switch for CGI-6 or 8 , Ser 2 Boiler, 511-624-304
SKU:
511-624-304
Weil-McLain
SKU:
511-624-304
Brand:
Weil-McLain
–
+
$58.50
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jul 7
Total Available: 11
In Stock
Get 2 by
Tue, Jul 7
Total Available: 11
Add to List
511-246-392 Compare Checkbox
Compare
3/4" Drain Valve, 511-246-392
SKU:
511-246-392
Weil-McLain
SKU:
511-246-392
Brand:
Weil-McLain
(1)
–
+
$27.89
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jul 7
Total Available: 22
In Stock
Get 2 by
Tue, Jul 7
Total Available: 22
Add to List
383-600-091 Compare Checkbox
Compare
ASME Pressure Relief Valve (Boiler Sizes 85-125), 383-600-091
SKU:
383-600-091
Weil-McLain
SKU:
383-600-091
Brand:
Weil-McLain
(5)
–
+
$53.10
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jul 7
Total Available: 4
In Stock
Get 2 by
Tue, Jul 7
Total Available: 4
Add to List
510-811-221 Compare Checkbox
Compare
Pilot Assembly Kit, 510-811-221
SKU:
510-811-221
Weil-McLain
SKU:
510-811-221
Brand:
Weil-McLain
(6)
–
+
$198.76
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jul 7
Total Available: 6
In Stock
Get 2 by
Tue, Jul 7
Total Available: 6
Add to List
511-624-401 Compare Checkbox
Compare
Air Pressure Switch, 0' To 1999' 1.79" W.C., 511-624-401
SKU:
511-624-401
Weil-McLain
SKU:
511-624-401
Brand:
Weil-McLain
(1)
–
+
$70.06
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jul 7
Total Available: 6
In Stock
Get 2 by
Tue, Jul 7
Total Available: 6
Add to List
512-200-079 Compare Checkbox
Compare
Stainless Steel Burner w/ Pilot Bracket for CG, CGA, CGi Boilers (Natural Gas), 512-200-079
SKU:
512-200-079
Weil-McLain
SKU:
512-200-079
Brand:
Weil-McLain
(2)
–
+
$41.09
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jul 7
Total Available: 4
In Stock
Get 2 by
Tue, Jul 7
Total Available: 4
Add to List
590-317-627 Compare Checkbox
Compare
Gasket, Inducer, 590-317-627
SKU:
590-317-627
Weil-McLain
SKU:
590-317-627
Brand:
Weil-McLain
(1)
–
+
$14.97
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jul 7
Total Available: 5
In Stock
Get 1 by
Tue, Jul 7
Total Available: 5
Add to List
311-103-845 Compare Checkbox
Compare
Intermediate Section 51125, 311-103-845
SKU:
311-103-845
Weil-McLain
SKU:
311-103-845
Brand:
Weil-McLain
–
+
$246.96
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jul 7
Total Available: 8
In Stock
Get 3 by
Tue, Jul 7
Total Available: 8
Add to List
511-044-354 Compare Checkbox
Compare
1/2" x 1/2" Gas Valve, Propane, 511-044-354
SKU:
511-044-354
Weil-McLain
SKU:
511-044-354
Brand:
Weil-McLain
–
+
$201.95
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jul 8
Total Available: 2
In Stock
Get 1 by
Wed, Jul 8
Total Available: 2
Add to List
512-200-076 Compare Checkbox
Compare
Burner CGT-5, 512-200-076
SKU:
512-200-076
Weil-McLain
SKU:
512-200-076
Brand:
Weil-McLain
–
+
$72.00
each
ADD TO CART
Add to List
In Stock
Get 4 by
Wed, Jul 8
Total Available: 6
In Stock
Get 4 by
Wed, Jul 8
Total Available: 6
Add to List
560-528-997 Compare Checkbox
Compare
Main Burner Orifice (2.0mm) for CG, CGA, CGi Boilers (Natural Gas), 560-528-997
SKU:
560-528-997
Weil-McLain
SKU:
560-528-997
Brand:
Weil-McLain
–
+
$11.00
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jul 7
Total Available: 38
In Stock
Get 2 by
Tue, Jul 7
Total Available: 38
Add to List
511-044-353 Compare Checkbox
Compare
3/4" x 3/4" Gas Valve, 511-044-353
SKU:
511-044-353
Weil-McLain
SKU:
511-044-353
Brand:
Weil-McLain
–
+
$280.80
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jul 7
In Stock
Get 2 by
Tue, Jul 7
Add to List
590-317-651 Compare Checkbox
Compare
Pressure Switch Tubing, 590-317-651
SKU:
590-317-651
Weil-McLain
SKU:
590-317-651
Brand:
Weil-McLain
–
+
$14.61
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jul 8
In Stock
Get 2 by
Wed, Jul 8
Add to List
511-624-405 Compare Checkbox
Compare
Air Pressure Switch, .75" W.C., 511-624-405
SKU:
511-624-405
Weil-McLain
SKU:
511-624-405
Brand:
Weil-McLain
(2)
–
+
$70.06
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Jul 28 - Tue, Aug 4
Backorder
Get it by
Tue, Jul 28 - Tue, Aug 4
Add to List
592-800-011 Compare Checkbox
Compare
2" Square Cut Seal, 592-800-011
SKU:
592-800-011
Weil-McLain
SKU:
592-800-011
Brand:
Weil-McLain
(2)
–
+
$12.00
each
ADD TO CART
Add to List
In Stock
Get 10 by
Tue, Jul 7
Total Available: 18
In Stock
Get 10 by
Tue, Jul 7
Total Available: 18
Add to List
381-359-283 Compare Checkbox
Compare
Air Pressure Switch, 1.2" W.C., 381-359-283
SKU:
381-359-283
Weil-McLain
SKU:
381-359-283
Brand:
Weil-McLain
–
+
$74.64
each
ADD TO CART
Add to List
In Stock
Get 5 by
Wed, Jul 8
In Stock
Get 5 by
Wed, Jul 8
Add to List
381-359-295 Compare Checkbox
Compare
Inducer Fan Assembly Kit for CGi S4 Boilers, 381-359-295
SKU:
381-359-295
Weil-McLain
SKU:
381-359-295
Brand:
Weil-McLain
–
+
$467.27
each
ADD TO CART
Add to List
In Stock
Get 3 by
Wed, Jul 8
In Stock
Get 3 by
Wed, Jul 8
Add to List
321-114-286 Compare Checkbox
Compare
Replacement Section Assembly, 321-114-286
SKU:
321-114-286
Weil-McLain
SKU:
321-114-286
Brand:
Weil-McLain
(1)
–
+
$1,246.89
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jul 8 - Fri, Jul 10
In Stock
Get 2 by
Wed, Jul 8 - Fri, Jul 10
Add to List
511-044-508 Compare Checkbox
Compare
1/2" NPT Valve-Gas Natural Gas w/o Brass Hose-Barb, 511-044-508
SKU:
511-044-508
Weil-McLain
SKU:
511-044-508
Brand:
Weil-McLain
–
+
$205.31
each
ADD TO CART
Add to List
In Stock
Get 3 by
Wed, Jul 8
In Stock
Get 3 by
Wed, Jul 8
Add to List
511-624-450 Compare Checkbox
Compare
Pressure Differential Switch, 1.18" W.C., for CGi Boilers (Sizes 25, 3, 4), 511-624-450
SKU:
511-624-450
Weil-McLain
SKU:
511-624-450
Brand:
Weil-McLain
(18)
–
+
$99.48
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Add to List
450-003-739 Compare Checkbox
Compare
Burner Rest, 450-003-739
SKU:
450-003-739
Weil-McLain
SKU:
450-003-739
Brand:
Weil-McLain
(1)
–
+
$15.43
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jul 8
Total Available: 2
In Stock
Get 1 by
Wed, Jul 8
Total Available: 2
Add to List
510-811-946 Compare Checkbox
Compare
NG to LP Conversion Kit for CGa-25 - CGa-7, 510-811-946
SKU:
510-811-946
Weil-McLain
SKU:
510-811-946
Brand:
Weil-McLain
–
+
$432.37
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Add to List
510-811-222 Compare Checkbox
Compare
Pilot Assembly Kit for CGi Boilers (All Sizes), 510-811-222
SKU:
510-811-222
Weil-McLain
SKU:
510-811-222
Brand:
Weil-McLain
(1)
–
+
$281.33
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Add to List
321-114-289 Compare Checkbox
Compare
Replacement Section Assembly, 321-114-289
SKU:
321-114-289
Weil-McLain
SKU:
321-114-289
Brand:
Weil-McLain
–
+
$1,603.50
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 9 - Mon, Jul 13
In Stock
Get 1 by
Thu, Jul 9 - Mon, Jul 13
Add to List
311-103-821 Compare Checkbox
Compare
Right Hand End Section 51128, 311-103-821
SKU:
311-103-821
Weil-McLain
SKU:
311-103-821
Brand:
Weil-McLain
–
+
$398.68
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Add to List
381-354-342 Compare Checkbox
Compare
CGi8 Base Assembly Kit, 381-354-342
SKU:
381-354-342
Weil-McLain
SKU:
381-354-342
Brand:
Weil-McLain
–
+
$735.26
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Add to List
591-391-894 Compare Checkbox
Compare
Wiring Harness - Controls to Control Module, 591-391-894
SKU:
591-391-894
Weil-McLain
SKU:
591-391-894
Brand:
Weil-McLain
–
+
$51.47
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Add to List
510-811-263 Compare Checkbox
Compare
LP to NG Conversion Kit For Weil McLain CGi-3 & CGi-5 Boilers, 510-811-263
SKU:
510-811-263
Weil-McLain
SKU:
510-811-263
Brand:
Weil-McLain
(1)
–
+
$320.18
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Add to List
450-003-692 Compare Checkbox
Compare
Burner Mounting Panel, 450-003-692
SKU:
450-003-692
Weil-McLain
SKU:
450-003-692
Brand:
Weil-McLain
–
+
$16.72
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Add to List
1
2
3
4
5
Refresh
×
Video