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All appliances have a model number and a serial number tag located on the appliance. Generally they are available for the customer to find quickly. If you are unable to locate your tag, please see your original manual and or invoice from when you purchased the appliance.

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Weil McLain

Weil McLain

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510-350-061 Weil Mclain Hi/Low Limit Hi-10Ffix Lo-Adj

$544.79 USD

In Stock

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511-330-088 Weil Mclain Integrated Boiler Cntrbrd Only

$232.79 USD

In Stock

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511-330-163 Weil Mclain Natgaspilotassyw/Sparkelctrode

$253.87 USD

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511-044-360 Weil Mclain 1/2"Nat.gas Vlv.24V Dual Main

$257.08 USD

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511-330-104 Weil Mclain Pilot Assembly

$144.40 USD

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451-800-070 Weil Mclain Base Side Rail (2 Required)

$27.72 USD

Limited Stock Available

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511-624-520 Weil Mclain 1.4"Wc Spst Pressure Switch

$87.60 USD

Limited Stock Available

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450-030-965 Weil Mclain Clean Out Plate

$27.72 USD

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450-021-242 Weil Mclain 5 To 6" Draft Diverter

$176.25 USD

Limited Stock Available

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511-044-355 Weil Mclain Vlv Gas Lp 3/4 X3/4

$215.42 USD

Limited Stock Available

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510-312-150 Weil Mclain 140-240F Auto Limit Switch

$430.15 USD

Limited Stock Available

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635-600-062 Weil Mclain Drywell Plus40

$326.74 USD

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511-405-143 Weil Mclain Cartridge Circulator

$266.96 USD

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450-003-737 Weil Mclain Burner Rest Base Cg 4 S-8

$22.89 USD

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383-501-036 Weil Mclain Water Supply Piping Assy

$606.73 USD

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511-246-320 Weil Mclain 3/4" Manualmainvalve 1/8"Tap

$118.44 USD

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Midwest Appliance Parts Co, Inc.

2023 W Fullerton Ave

Chicago, IL 60647

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Mon-Fri: 8:00AM - 5:30PM

Sat: 9:30AM - 2:00PM

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©2025 Midwest Appliance Parts Co, Inc. - midwestapplianceparts.com
This site is not affiliated with or endorsed by any of the original manufacturers listed.
All brand names and logos are property of their respective owners and are used for identification purposes only.

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This product must be installed by a qualified/licensed contractor and set up with properly calibrated combustion test equipment. Failure to comply with this could result in substantial property damage, severe personal injury or death.

I acknowledge this product must be installed by a qualified licensed contractor

Oversize and Heavy Item Shipping Fee

The item you are purchasing is either packaged in a very large box or is very heavy. These items tend to require special shipping and handling.

Here's how it works:

Order the new part from our website and pay for this shipping fee.

For large items such as washer tubs, and baskets, we may use a freight company to deliver the item to you. We will contact you with more information on such orders especially to schedule a delivery with the freight company. Very rarely do we ship these items with UPS or Fedex because they have size limitations on what the drivers can carry. Please pay close attention to your tracking # provided at the time of shipping.

For HEAVY items such as compressors and motors, we may use a freight company to deliver the item to you. We will contact you with more information on such orders especially to schedule a delivery with the freight company. Very rarely do we ship these items with UPS or Fedex because they have weight limitations on what the drivers can carry. Please pay close attention to your tracking # provided at the time of shipping.

If you have any questions please reach our parts specialists at 773-278-1300.

Find The Right Part. Right Now!
Midwest Appliance Parts

Refundable Deposit (Core Refund) Information

The item you are purchasing has a deposit due at checkout. This is completely refundable when you return your “core” or “old part” back to us.

Here's how it works:

Order the new part from our website.
Print out your order confirmation along with our Core Return Form located on our website. Please include both with your core return. Download Core Fee Return Form
Mail the item back to our Chicago branch at this address: Midwest Appliance Parts 2023 W Fullerton Ave Chicago IL 60647.
We will refund your credit card for the amount shown on your original invoice.

If you have any questions please reach our parts specialists at 773-278-1300.

Find The Right Part. Right Now!
Midwest Appliance Parts