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

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$1 to $5 (1)
$5 to $10 (39)
$10 to $15 (189)
$15 to $20 (87)
$20 to $25 (55)
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$45 to $50 (64)

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Product Image of Maintenance Kit for Ultra Gas Boilers (Sizes 155-399), 383-500-620
$89.60 each
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Product Image of Maintenance Kit for Ultra Gas Boilers (Size 80, 105), 383-500-605
$66.29 each
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Product Image of Rollout Thermal Fuse Element, 228°C, 512-050-230
$21.30 each
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Product Image of Pilot Burner Assembly, 511-330-218
Pilot Burner Assembly, 511-330-218
SKU: 511-330-218
Weil-McLain
SKU: 511-330-218
Brand: Weil-McLain
(44)
$85.90 each
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Product Image of Pilot Tubing w/ Compression Fittings, 22-3/4" Long, 560-742-860
$13.74 each
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Product Image of Ignition Electrode Kit for Ultra Gas Boilers (All Sizes), 383-500-045
$48.98 each
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Product Image of Igniter Replacement Kit for AHE, GV, HE II Boilers, 511-330-148
$84.92 each
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Product Image of Heat Exchanger Cleaning Tool w/ Handle, 591-706-200
$49.18 each
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Product Image of Transformer-Relay, 120/24V, 510-312-167
Transformer-Relay, 120/24V, 510-312-167
SKU: 510-312-167
Weil-McLain
SKU: 510-312-167
Brand: Weil-McLain
(54)
$116.86 each
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Product Image of GV90+4 84,000 BTU High Efficiency Gas Boiler (Nat Gas & LP)
$4,206.13 each
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Product Image of Ultra 155 - 123,000 BTU Output High Efficiency Boiler - Series 4 (Nat Gas or LP)
$4,204.00 each
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Product Image of GV90+5 113,000 BTU High Efficiency Gas Boiler (Nat Gas & LP)
$5,163.04 each
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Product Image of Ultra 230 - 183,000 BTU Output High Efficiency Boiler - Series 4 (Nat Gas or LP)
$5,265.83 each
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Product Image of Ultra 105 - 81,000 BTU Output High Efficiency Boiler - Series 4 (Nat Gas or LP)
$3,720.97 each
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Product Image of Combination Pressure-Temperature Gauge (Boiler Sizes 85-125), 510-218-097
$42.30 each
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Product Image of Integrated Boiler Control Unit (Includes UT Module 1013-200), 382-200-448
$356.36 each
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Product Image of Pressure/Temperature Gauge Assembly, 383-500-630
$53.72 each
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Product Image of Control Module, 381-330-026
Control Module, 381-330-026
SKU: 381-330-026
Weil-McLain
SKU: 381-330-026
Brand: Weil-McLain
(12)
$256.50 each
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Product Image of 30" Thermocouple (Screw-In) for CG, EG, EGH, CGA Boilers, 511-724-254
$28.52 each
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Product Image of Ultra U-Control Module for Ultra Series UE Boilers, 383-500-658
$379.85 each
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Product Image of Pilot Assembly Kit - (Includes Orifice, and Pilot Tubing), 511-330-273
$41.69 each
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Product Image of Pilot Proving Ignition/Sensing Control Module,24V Without Molex, 511-330-097
$181.80 each
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Product Image of Flue Temperature sensor Replacement Kit, 383-500-600
$42.21 each
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Product Image of Ignitor for 155C Boiler, 640-000-109
Ignitor for 155C Boiler, 640-000-109
SKU: 640-000-109
Weil-McLain
SKU: 640-000-109
Brand: Weil-McLain
(7)
$79.69 each
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Product Image of Spill Switch w/ Reset, 210°F, 510-300-013
Spill Switch w/ Reset, 210°F, 510-300-013
SKU: 510-300-013
Weil-McLain
SKU: 510-300-013
Brand: Weil-McLain
(5)
$16.84 each
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Product Image of Transformer 120/24V, 510-312-166
Transformer 120/24V, 510-312-166
SKU: 510-312-166
Weil-McLain
SKU: 510-312-166
Brand: Weil-McLain
(17)
$103.45 each
In Stock
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Product Image of Combination Pressure-Temperature Gauge (All Boiler Sizes), 510-218-099
$36.30 each
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Product Image of Pilot Assembly Kit for CGT, CGS, CGi Boilers (NG), 511-330-080
$117.80 each
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Product Image of Magnesium Anode Replacement Kit for Aqua-Plus 35-85, 633-500-014
$138.79 each
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Product Image of Supply Temperature Sensor, 381-356-589
Supply Temperature Sensor, 381-356-589
SKU: 381-356-589
Weil-McLain
SKU: 381-356-589
Brand: Weil-McLain
(2)
$59.50 each
In Stock
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Product Image of Ultra Control Upgrade Kit, 383-500-665
Ultra Control Upgrade Kit, 383-500-665
SKU: 383-500-665
Weil-McLain
SKU: 383-500-665
Brand: Weil-McLain
(15)
$559.85 each
In Stock
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Product Image of Inducer Fan Assembly Kit for CGi, CGS Boilers, 381-356-499
$586.21 each
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Product Image of Return/Supply 2-Sensor Kit for Ultra Gas/Commercial Boilers, 383-500-602
$44.23 each
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Product Image of Operating Temperature Control (All Sizes), 510-312-250
$145.14 each
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Product Image of 1107-1 Control Module w/ 10 Second Pre-Purge for CGi, CGS, CGT Boilers, 511-330-090
$278.99 each
In Stock
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Product Image of Cover Plate Replacement Kit for Ultra Gas Boilers (Sizes 155, 230, 310), 383-500-395
$244.80 each
In Stock
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Product Image of Steam Pressure Gauge, 510-218-045
Steam Pressure Gauge, 510-218-045
SKU: 510-218-045
Weil-McLain
SKU: 510-218-045
Brand: Weil-McLain
(2)
$33.81 each
In Stock
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Product Image of Return/Supply Sensor Kit for Ultra Gas Boilers (Sizes 310, 80), 383-500-300
$37.71 each
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Product Image of Maintenance Kit for 97+ Boilers, 383-700-165
Maintenance Kit for 97+ Boilers, 383-700-165
SKU: 383-700-165
Weil-McLain
SKU: 383-700-165
Brand: Weil-McLain
(6)
$77.29 each
In Stock
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Product Image of Control Module, 381-330-025
Control Module, 381-330-025
SKU: 381-330-025
Weil-McLain
SKU: 381-330-025
Brand: Weil-McLain
(7)
$284.91 each
In Stock
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Product Image of Pilot Tubing w/ Compression Fittings for EGH Boilers, 34" Long, 560-742-865
$25.00 each
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Product Image of Spill Switch w/ Manual Reset, 240°F for CG, CGA, CGx Boilers, 510-300-014
$30.77 each
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Product Image of Pilot Burner for LGB, EGH, PFG Boilers (Sizes 13-23), 511-330-221
$110.70 each
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Product Image of Kit-S Thermostat, AcuTemp, 633-600-012
Kit-S Thermostat, AcuTemp, 633-600-012
SKU: 633-600-012
Weil-McLain
SKU: 633-600-012
Brand: Weil-McLain
(15)
$110.70 each
In Stock
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Product Image of Residential Thermostat (Aquastat) Kit for Weil McLain Indirect and Gold Plus Water Heaters, 633-900-130
$178.20 each
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Product Image of ECO 155 Maintenance Kit, 383-700-200
ECO 155 Maintenance Kit, 383-700-200
SKU: 383-700-200
Weil-McLain
SKU: 383-700-200
Brand: Weil-McLain
(4)
$88.22 each
In Stock
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Product Image of Combination Pressure-Temperature Gauge Kit, 380-000-000
$47.55 each
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Product Image of 1/2" x 1/2" Combination Gas Control Valve, 511-044-381
1/2" x 1/2" Combination Gas Control Valve, 511-044-381
SKU: 511-044-381
Weil-McLain
SKU: 511-044-381
Brand: Weil-McLain
(8)
$181.83 each
In Stock
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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.