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Blower Part (16)
Boiler (395)
Boiler Assembly (9)
Boiler Baffle (12)
Boiler Draft Hood (12)
Boiler Hood (43)
Boiler Insulation (45)
Boiler Panel (229)
Boiler Part (1828)
Boiler Section (68)

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Natural Gas (138)
Oil (17)
Propane (80)

BTU Output

20,000 - 50,000 (43)
50,000 - 75,000 (28)
75,000 - 100,000 (32)
100,000 - 125,000 (33)
125,000 - 150,000 (33)
150,000 - 175,000 (24)
175,000 - 200,000 (3)
200,000+ (22)

Price Range

$1 to $5 (1)
$5 to $10 (39)
$10 to $15 (189)
$15 to $20 (87)
$20 to $25 (55)
$25 to $30 (29)
$30 to $35 (37)
$35 to $40 (59)
$40 to $45 (67)
$45 to $50 (64)

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Product Image of Blower Assembly Kit for HE, HE II Boilers, 510-312-312
$558.22 each
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Product Image of System Temperature Sensor for Ultra Gas & Commercial Boilers, 383-500-601
$37.71 each
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Product Image of Control Module - Natural Gas For Series CGa-3, 381-330-039
$229.77 each
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Product Image of Kit-S Thermostat, 63°C AquaPLUS Residential, 633-500-020
$109.80 each
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Product Image of 3-Way Valve Actuator for CGT Boilers, 635-100-023
$193.22 each
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Product Image of Supply Temperature Sensor, 381-356-577
Supply Temperature Sensor, 381-356-577
SKU: 381-356-577
Weil-McLain
SKU: 381-356-577
Brand: Weil-McLain
(2)
$63.00 each
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Product Image of Natural Gas Pilot Replacement Kit for CGA, CG Boilers (All Sizes), 510-811-644
$174.08 each
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Product Image of Flue Gas Thermal Fuse, 511-624-664
Flue Gas Thermal Fuse, 511-624-664
SKU: 511-624-664
Weil-McLain
SKU: 511-624-664
Brand: Weil-McLain
(13)
$41.00 each
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Product Image of Outdoor Temperature Sensor Kit, 381-356-586
Outdoor Temperature Sensor Kit, 381-356-586
SKU: 381-356-586
Weil-McLain
SKU: 381-356-586
Brand: Weil-McLain
(26)
$28.37 each
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Product Image of Ignition Cable Kit for Ultra Gas/Commercial Boilers, 383-500-619
$56.56 each
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Product Image of Transformer for CGA-4, Series 2, 381-356-578
Transformer for CGA-4, Series 2, 381-356-578
SKU: 381-356-578
Weil-McLain
SKU: 381-356-578
Brand: Weil-McLain
(9)
$36.90 each
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Product Image of Gas Control Valve For CG, EG, CGA Boilers (Sizes 25-6), 511-044-360
$233.16 each
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Product Image of Blower Kit for EVG 220, 299 & 399, 383-900-039
$578.20 each
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Product Image of Plug In Relay w/ 24V Holding Coil, 510-350-223
Plug In Relay w/ 24V Holding Coil, 510-350-223
SKU: 510-350-223
Weil-McLain
SKU: 510-350-223
Brand: Weil-McLain
(48)
$41.78 each
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Product Image of Blower Assembly Kit for Ultra Gas Boilers (Size 155), 383-500-035
$666.68 each
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Product Image of Gas Valve/Venturi Kit, 383-501-030
Gas Valve/Venturi Kit, 383-501-030
SKU: 383-501-030
Weil-McLain
SKU: 383-501-030
Brand: Weil-McLain
(4)
$419.13 each
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Product Image of Tankless Heater for Weil McLain WTGO-3, WTGO-4, WTGO-5, and WTGO-6 Boilers, 590-921-612
$349.33 each
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Product Image of Pressure Switch (0 to 5500 ft Elevation), 511-624-520
$71.63 each
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Product Image of Blower Motor Replacement Kit for GV Boilers, 382-200-345
$315.81 each
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Product Image of Control Board, 381-330-028
Control Board, 381-330-028
SKU: 381-330-028
Weil-McLain
SKU: 381-330-028
Brand: Weil-McLain
$263.70 each
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Product Image of Igniter Kit for ECO 155 and WM97+ 155, 383-700-187
$64.99 each
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Product Image of Main Flame Sensor, 511-724-274
Main Flame Sensor, 511-724-274
SKU: 511-724-274
Weil-McLain
SKU: 511-724-274
Brand: Weil-McLain
$94.27 each
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Product Image of Automatic Vent Damper Motor Operator, 24V, 510-512-337
$244.79 each
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Product Image of Pressure Relief Valve, 383-500-095
Pressure Relief Valve, 383-500-095
SKU: 383-500-095
Weil-McLain
SKU: 383-500-095
Brand: Weil-McLain
(13)
$47.10 each
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Product Image of 3" Sidewall Vent Termination Kit for Ultra Gas-Fired Boilers, 383-500-397
$74.75 each
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Product Image of Ignition Control Module for CGA Boilers (All Sizes), 511-330-079
$289.60 each
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Product Image of Blower Motor Assembly for Ultra 80, 105 Boiler, 383-501-027
$614.00 each
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Product Image of Display Board Assembly, 383-500-659
Display Board Assembly, 383-500-659
SKU: 383-500-659
Weil-McLain
SKU: 383-500-659
Brand: Weil-McLain
(10)
$379.28 each
In Stock
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Product Image of Burner, Tubular Stainless Steel (Regular) for AHE, CG, CGA Boilers, 512-200-077
$22.05 each
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Product Image of Blower Assembly Kit for Ultra Gas Boilers (Size 310), 383-500-360
$1,054.90 each
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Product Image of Inducer Fan Assembly Kit w/ Hardware for CGi S3 Boilers, 381-354-588
$361.00 each
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Product Image of 3-Way Valve Repair Kit for CGT Boilers, 511-246-398
$91.10 each
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Product Image of LWCO w/ Harness & Test Button
LWCO w/ Harness & Test Button
SKU: 511-100-005
Weil-McLain
SKU: 511-100-005
Brand: Weil-McLain
(4)
$145.79 each
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Product Image of Ultra Commercial Maintenance Kit, 383-600-079
Ultra Commercial Maintenance Kit, 383-600-079
SKU: 383-600-079
Weil-McLain
SKU: 383-600-079
Brand: Weil-McLain
(1)
$259.90 each
In Stock
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Product Image of Inspection Glass Kit (Bracket, Glass, Gasket & Hardware) for Ultra Series 1 & 2 Boilers, 383-500-020
$37.57 each
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Product Image of Stainless Steel Burner w/ Pilot Bracket for CG, CGA, CGi Boilers, 512-200-078
$28.35 each
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Product Image of Blower Flange Gasket for GV Boilers, 590-317-610
$11.82 each
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Product Image of Blower Assembly Kit for Ultra Gas Boilers (Size 230), 383-500-040
$703.23 each
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Product Image of Condensate Neutralizer Kit for Boilers up to 525MBH, 383-500-631
$133.58 each
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Product Image of Control Transformer, 24V, 511-842-370
Control Transformer, 24V, 511-842-370
SKU: 511-842-370
Weil-McLain
SKU: 511-842-370
Brand: Weil-McLain
(8)
$51.30 each
In Stock
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Product Image of Integrated Boiler Control Board Only, 511-330-088
$235.95 each
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Product Image of Outdoor Temperature Sensor for Ultra Boiler
Outdoor Temperature Sensor for Ultra Boiler
SKU: 510-312-218
Weil-McLain
SKU: 510-312-218
Brand: Weil-McLain
(2)
$45.59 each
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Product Image of Burner for EG, EGH Boilers (Steel Tube), 512-200-000
$26.91 each
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Product Image of Combustion Chamber Kit for WTGO, WGO, SGO Boilers, 386-700-355
$205.03 each
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Product Image of Pilot Assembly Kit for CGT, CGS, CGi Boilers (LP), 511-330-081
$126.03 each
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Product Image of ECO/WM97+ 155 Blower, 383-700-195
ECO/WM97+ 155 Blower, 383-700-195
SKU: 383-700-195
Weil-McLain
SKU: 383-700-195
Brand: Weil-McLain
(2)
$518.77 each
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Product Image of Burner, Aluminized (1" OD x 15" Length), for HE, HE II, VHE Boilers, 512-200-035
$21.27 each
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Product Image of Flu Temperature Sensor Replacement Kit for Ultra Gas Boilers, 383-500-055
$49.11 each
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Headquartered in Michigan City, Indiana, Weil McLain combines hydronic heating expertise and unwavering allegiance to quality and innovation. These ideals have made Weil McLain a market leader in comfort heating since its foundation in 1881.