Lochinvar

(11294 products)

Lochinvar, a proud part of A.O. Smith Corporation, is a leading manufacturer of high-efficiency water heaters, boilers, and commercial heating systems, known for their advanced technology and durability. To keep Lochinvar equipment operating at peak performance, it’s essential to use OEM authentic replacement parts designed to meet the manufacturer’s exact specifications. We carry a comprehensive selection of OEM Lochinvar parts, including ignitors, gas valves, control boards, flame sensors, blowers, pressure switches, thermostats, heat exchangers, circulator pumps, gaskets, anode rods, and temperature sensors. Whether you’re performing routine maintenance or making critical repairs, choosing genuine Lochinvar parts ensures maximum efficiency, reliability, and long-term system performance. Keep your Lochinvar system running smoothly with the trusted quality of A.O. Smith-backed components engineered for its success.

100288410 Lochinvar Burner Plate Insulation Door

$96.42 USD

Limited Stock Available

100304108 Lochinvar Vent Pipe

$387.11 USD

Special Order

100147313 Lochinvar Heat Exchanger

$9,527.92 USD

Special Order

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

Lochinvar

Parts Catalog

Customer Service

Help Center

Compare /3

Choose options

Exclusive Online Pricing Available!

Lochinvar