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Boilers

Looking to find the right boiler for your home? Klarna guides you through the process effortlessly. We list a wide selection of boilers from various brands and retailers, making it easy to compare prices and features. Use our category filters to narrow down your options based on size, efficiency, fuel type, or price range. Whether you need a compact unit for a small space or a high-efficiency model for larger homes, our filters help you pinpoint exactly what you need. Read user reviews to get insights from real buyers and make the right choice. With Klarna, you can see all offers side-by-side, ensuring you find the best deal without any hassle. Ready to warm up your home with the right boiler? Begin here and discover the ideal match for your heating needs!

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  • Boilers
  • Boiler Spare Parts
  • Gas Boilers
  • Accumulator Tanks

65 products

Boilers Goodman 60000-Max Input Natural Gas 80-Percentage Upflow/Horizontal 1-Stage Forced Air Furnace GR9S800603BN
Popular

Goodman 60000-Max Input Natural Gas 80-Percentage Upflow/Horizontal 1-Stage Forced Air Furnace GR9S800603BN

Gas Boiler

$1,012.00
Or 24 payments of $48.58/mo.*
3stores
Bosch Thermoelement 10003940

Bosch Thermoelement 10003940

Boiler Spare Part

$25.65
Or 4 interest-free payments of $6.41*
1store
Bosch Electrode 10004177

Bosch Electrode 10004177

Boiler Spare Part

$11.95
Or 4 interest-free payments of $2.98*
1store
Bosch Thermador Control Unit 00627437

Bosch Thermador Control Unit 00627437

Boiler Spare Part

$627.00
Or 18 payments of $38.82/mo.*
1store
Bleue Burnham 7 Rear Flue Outlet Assembly V-9a Boiler

Bleue Burnham 7 Rear Flue Outlet Assembly V-9a Boiler

Boiler Spare Part

$74.99
Or 4 interest-free payments of $18.74*
1store
Rheem Ruud Integrated Furnace Control

Rheem Ruud Integrated Furnace Control

Boiler Spare Part

$124.37
Or 4 interest-free payments of $31.09*
1store
Fisher & Paykel Thermistor Assy Svc Kit

Fisher & Paykel Thermistor Assy Svc Kit

Boiler Spare Part

$65.95
Or 4 interest-free payments of $16.48*
1store
Delavan Oil Burner Nozzle 65-80°b

Delavan Oil Burner Nozzle 65-80°b

Boiler Spare Part

$15.99
Or 4 interest-free payments of $3.99*
1store
Rheem Gas Valve VR8200H1251 Natural

Rheem Gas Valve VR8200H1251 Natural

Boiler Spare Part

$422.28
Or 12 payments of $37.91/mo.*
1store
Rheem RP20064 Thermocouple Gasket Kit

Rheem RP20064 Thermocouple Gasket Kit

Boiler Spare Part

$19.99
Or 4 interest-free payments of $4.99*
1store
Carrier Silicon Nitride Hot Surface Ignitor SN086KX

Carrier Silicon Nitride Hot Surface Ignitor SN086KX

Boiler Spare Part

$21.85
Or 4 interest-free payments of $5.46*
1store
Rheem Gasket Replacement Kit With Thermocouple

Rheem Gasket Replacement Kit With Thermocouple

Boiler Spare Part

$23.75
Or 4 interest-free payments of $5.93*
1store
Design Toscano MR Heater Replacement Thermocouple 12-1/2 Length

Design Toscano MR Heater Replacement Thermocouple 12-1/2 Length

Boiler Spare Part

$15.64
Or 4 interest-free payments of $3.91*
1store
Mr. Heater F273117 60cm Thermocouple Replacement

Mr. Heater F273117 60cm Thermocouple Replacement

Boiler Spare Part

$10.89
Or 4 interest-free payments of $2.72*
1store
Hewlett Packard Direct Replacement for Intertherm Nordyne Miller Furnace 903404

Hewlett Packard Direct Replacement for Intertherm Nordyne Miller Furnace 903404

Boiler Spare Part

$98.67
Or 4 interest-free payments of $24.66*
1store
Viking Range Oven Stove Spark Electrode PA020028

Viking Range Oven Stove Spark Electrode PA020028

Boiler Spare Part

$115.99
Or 4 interest-free payments of $28.99*
1store
Bosch Range Stove Oven Spark Electrode 10004177

Bosch Range Stove Oven Spark Electrode 10004177

Boiler Spare Part

$21.95
Or 4 interest-free payments of $5.48*
1store
Danfoss 1.00 60 As Oil Burner Nozzle Lot Of 5

Danfoss 1.00 60 As Oil Burner Nozzle Lot Of 5

Boiler Spare Part

$31.99
Or 4 interest-free payments of $7.99*
1store
Riello Burner Hydraulic Jack 7001039

Riello Burner Hydraulic Jack 7001039

Boiler Spare Part

$41.94
Or 4 interest-free payments of $10.48*
1store
Mini Universal Pilot Assembly 24-Inch Brown LP Gas Pilot Assembly

Mini Universal Pilot Assembly 24-Inch Brown LP Gas Pilot Assembly

Boiler Spare Part

$17.99
Or 4 interest-free payments of $4.49*
1store
Bosch Electric Boiler Relay T9ap1d52-24

Bosch Electric Boiler Relay T9ap1d52-24

Boiler Spare Part

$41.36
Or 4 interest-free payments of $10.34*
1store
Everbilt 18 Inch Thermocouple Universal Kit

Everbilt 18 Inch Thermocouple Universal Kit

Boiler Spare Part

$12.49
Or 4 interest-free payments of $3.12*
1store
Junkers Electrode Ignition 87181070670

Junkers Electrode Ignition 87181070670

Boiler Spare Part

$30.00
Or 4 interest-free payments of $7.50*
1store
Honeywell Dmg 970-n Mod 03 Gas Burner Safety Controller

Honeywell Dmg 970-n Mod 03 Gas Burner Safety Controller

Boiler Spare Part

$498.09
Or 12 payments of $44.72/mo.*
1store
Riello Pump Strainer Screen 126g

Riello Pump Strainer Screen 126g

Boiler Spare Part

$9.89
Or 4 interest-free payments of $2.47*
1store
Reddy Pp236 Photocell Kit Replaces Kerosene Heaters M16656-24

Reddy Pp236 Photocell Kit Replaces Kerosene Heaters M16656-24

Boiler Spare Part

$22.20
Or 4 interest-free payments of $5.55*
1store

Boilers: 3 things to consider before buying

Choosing the right boiler type and size is crucial for efficiency and comfort. Combi boilers are ideal for smaller homes as they provide hot water on demand without needing a storage tank. System boilers work well for larger homes with multiple bathrooms, as they store hot water in a cylinder. Regular boilers, also known as traditional or conventional boilers, are suitable for homes with existing traditional heating systems. When selecting a size, consider the number of radiators and bathrooms you have. A professional installer can help determine the best fit based on your household's needs.

Energy efficiency is key to reducing utility bills and minimizing environmental impact. Look for boilers with high Annual Fuel Utilization Efficiency (AFUE) ratings, which indicate how efficiently a boiler converts fuel into heat. A higher AFUE percentage means better efficiency. Many modern boilers offer efficiencies of 90% or above, translating to significant savings over time. Additionally, consider models with an Energy Star certification for guaranteed efficiency and performance.

While the initial cost of a boiler is important, don't overlook installation and maintenance expenses. Professional installation ensures optimal performance and safety, so factor this into your budget. Regular maintenance is essential for longevity and efficiency; some manufacturers offer warranties that cover parts but require annual servicing by certified technicians to remain valid. Consider these ongoing costs when comparing different models to ensure you make a financially sound decision.

BOILERS

FAQ

Boilers are heating devices that provide hot water or steam for residential heating systems. They ensure a warm and comfortable environment by circulating heated water through radiators or underfloor systems. Choosing the right boiler depends on your home's size, insulation, and personal heating preferences.

Boilers are selected based on your home's size, energy efficiency needs, and fuel type availability. Consider factors like system compatibility and installation space. We recommend consulting with a professional to assess your specific requirements and ensure optimal performance and cost-effectiveness.

Boilers are available in several types: combi, system, and conventional. Combi boilers provide hot water on demand without a storage tank. System boilers use a cylinder for storing hot water, while conventional boilers require both a cylinder and a tank. Each type suits different home sizes and usage needs.

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Heat your home efficiently: Choosing the right boiler

Boilers play a crucial role in keeping your home warm and comfortable, especially during colder months. They provide hot water and heating, ensuring your living space stays cozy. Klarna offers tools to help you find the best options for your needs, including price comparisons, user reviews, and smart filters to narrow down your choices.

Types of boilers

There are different types of boilers available, each catering to specific needs and preferences. Understanding these types can help you make the right decision.

Gas boilers

Gas boilers are a popular choice for many households. They are efficient and provide consistent heating. These boilers use natural gas to heat water, which is then circulated through radiators or underfloor systems. Gas boilers are known for their quick heating capabilities and are a good choice for larger homes.

Boiler spare parts

Maintaining your boiler is important to ensure its longevity and efficiency. Boiler spare parts are essential for repairs and upgrades. Whether it's a new thermostat, valve, or pump, having access to the right parts can save you time and money. Klarna helps you find the parts you need with ease, comparing prices across multiple retailers.

Key features to consider

When selecting a boiler, several features should be considered to ensure it meets your needs.

Energy efficiency

Energy efficiency is a top priority for many homeowners. Look for boilers with high efficiency ratings, as they can help reduce energy bills and environmental impact. Modern boilers often come with energy-saving features like modulating burners and weather compensation controls.

Size and capacity

The size and capacity of the boiler should match your household's hot water and heating demands. Smaller homes might benefit from compact boilers, while larger homes may require models with higher output. Consider the number of bathrooms and radiators in your home when choosing a boiler.

Installation and maintenance

Professional installation is crucial for safety and efficiency. It's important to factor in installation costs when budgeting for a new boiler. Regular maintenance is also key to keeping your boiler running smoothly. Schedule annual check-ups to prevent issues and prolong the boiler's lifespan.

Leading brands and models

Several brands stand out in the boiler market for their reliability and performance:

  • Worcester Bosch: Known for its high-quality gas boilers with excellent efficiency ratings.
  • Vaillant: Offers a range of eco-friendly models with smart controls.
  • Ideal Boilers: Provides affordable options with robust warranties.

Make the right choice for your home

Choosing the right boiler is essential for comfort and efficiency. Whether you're looking for gas boilers or need boiler spare parts, Klarna can help you compare prices and features to find the best fit for your home. Don't forget to read user reviews to see how different models perform in real-life scenarios.

Ready to find the right boiler for your home? Use Klarna to explore options and secure the best deal today!

Shop smarter with Klarna

Navigate your way to the best option using our handy tools. Compare prices, apply smart filters, read user reviews, and explore price history — all in one place. You can also earn cashback from hundreds of stores by shopping directly in the app.

Filter and sort

Looking for something specific? Filter by anything from price and brand to material or color to see only the products relevant to you. Since delivery options and shipping costs can differ between stores, you can easily find your perfect match by filtering these too.

Reviews: See what other users think

Curious about a product's performance? User reviews provide excellent insights into features and durability. Ratings make it easier to determine popularity and satisfaction.

Price history: Find real deals

Want to ensure you're scoring a great deal? Check the price history to see how prices have changed over time. By clicking “Choose store,” you can even dive into the price history of a particular shop.

*Pay in 4: A higher initial payment may be required. CA resident loans made or arranged pursuant to a California Financing Law license. NMLS #1353190. One-time card: One Time Card bi-weekly payments with a service fee between $1.29–$5.99, issued by WebBank. For example: a $248 purchase with a $62 down payment and a $4.99 service fee results in a 35.68% APR, followed by three additional biweekly payments of $62 (total repayment: $252.99). Subject to credit approval; minimum 25% down payment required. Financing: A $1,000 purchase might cost $173.53 per month over 6 months at 13.99% APR. Rate ranges from 0.00%-35.99% APR based on creditworthiness, term length, and subject to credit approval, resulting in, for example, 3 equal monthly payments of $333.33 at 0.00% APR to $353.52 at 35.99% APR per $1,000 borrowed. Minimum purchase amount and down payment may be required. Estimation of monthly payment excludes potential tax and shipping costs. Monthly financing through Klarna issued by WebBank. All loans subject to credit approval. See terms.

Monthly financing through Klarna and One-time card bi-weekly payments with a service fee to shop anywhere in the Klarna App issued by WebBank. Other CA resident loans at select merchants made or arranged pursuant to a California Financing Law license. Copyright © 2005-2026 Klarna Inc. NMLS #1353190, 800 N. High Street Columbus, OH 43215. VT Consumers: For WebBank Loan Products (One-Time Cards, Financing, Klarna Card): THIS IS A LOAN SOLICITATION ONLY. KLARNA INC. IS NOT THE LENDER. INFORMATION RECEIVED WILL BE SHARED WITH ONE OR MORE THIRD PARTIES IN CONNECTION WITH YOUR LOAN INQUIRY. THE LENDER MAY NOT BE SUBJECT TO ALL VERMONT LENDING LAWS. THE LENDER MAY BE SUBJECT TO FEDERAL LENDING LAWS.