Boilers

PexSupply.com has top quality boilers from the best manufacturers in the industry. All of the boilers below feature FREE shipping and our Low Price Guarantee.

Tools to Help You Choose

Overview

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Boilers create the hot water or steam for heating your home. We offer a large selection of boilers from the top manufacturers in the industry. To decide which boiler is right for you, you can read the FAQs and use the refinements on the left to narrow down by application, BTU load, efficiency, etc to get the best boiler for your home. There is free shipping on all boilers within the continental United States.

Need more help finding what you need?

Our experts are always available M-F 8:30-5 at
1-888-757-4774

FAQs

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  • What is the difference between high efficiency boilers and standard boilers?

    High efficiency boilers generally have efficiency ratings over 90%, making them Energy Star approved. These boilers are often modulating and condensing boilers. The modulation feature allows them to operate at different BTU levels depending upon the amount of heat that is required at a given time (as opposed to a traditional boiler that fires at 100% even if only a small amount of heat is required). The condensing property refers to the ability to convert the condensed liquid that is produced by the boiler into energy. By doing so the boiler wastes less energy and is therefore more energy efficient.

  • How can I tell how many BTUs the boiler I buy needs to have?

    For replacement boilers, if your previous boiler was sufficient and worked well you can simply replace the existing boiler with a new one that has the same BTU capacity. For boilers that are being installed in new residences you will need to find the BTU requirements by doing a heat loss of your given space. The heat loss will depend on insulation of walls and ceiling, window type and frequency, outdoor temperature, and several other factors. You can click the Rule of Thumb Guide to get a general idea of what you will need, but you should get a detailed heat loss report to know for sure.

  • Which are your best selling brands of boilers?

    The top selling brands of boilers are Weil-Mclain and Burnham. However, we have recently begun to sell a large number of the Triangle Tube Solo Boilers.

  • What is the shipping process if I order a boiler from you?

    Boilers ship via freight shipping companies, such as Yellow and UPS Freight. When the order ships, we will provide you with the carrier name and tracking number. The boiler will be shipped to your curb. If you need a lift gate on the truck please call to let us know. In general, the freight company will call you to set up a delivery time. If you need a specific delivery time, you may want to call the delivery company once the order ships.

  • Do you honor the warranties on these boilers?

    PexSupply.com honors all manufacturer warranties. If there is any manufacturer defect with the boiler we will replace it upon return, or issue you a credit for the boiler.

Need more help finding what you need?

Our experts are always available M-F 8:30-5 at
1-888-757-4774

Comparison Guide

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BTU Rule of Thumb

Climate BTU/sq ft 1
Hot 20
Moderate 35
Cold 50

1. For example, if your house is 2,000 square feet in a moderate climate, you need a boiler that can produce approximately 70,000 BTUs. Note: These numbers are rough estimates of required BTU per square foot and should be used only as guidelines.

High Efficiency Gas Boilers

We offer many high efficiency gas boilers including Weil McLain Ultra Boilers, L
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Standard Gas Boilers

Included in our standard gas boilers category are Weil McLain CGA Boilers, Weil
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Oil Boilers

Here you will find Biasi B-10 Oil Boilers, Weil McLain SGO Steam Oil Boilers, We
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Electric & Wood Boilers

This category contains Argo Electric Boilers and Biasi Wood Boilers.
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Boiler Parts

This category contains Allanson ignition transformers, gas valves, ignition cont
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Energy Efficient Boiler Controls

This category contains a variety of Tekmar boiler/DHW controls. These products c
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