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300 Test Kit
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: AH&S

Product Description Test Nitrite levels easily and accurately just like the lab! This test kit is designed to test the Nitrite levels in your boiler fill water. It is an easy and accurate means to determine the level or amount...

$22.00$19.95
Yearly Maintenance Kit 9 Feet of 1" Fire Rope with Protech300
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description This Kit is all you need to keep your Wood Boiler running like the day you bought it!  Typical Applications Water boilers Features 1x10 oz. tube of Black RTV Silicone 1 Gallon of Protech 300 Boiler treatment that...

$72.89
Digital Aquastat & Hydro Coil Kit with Sharkbite for Wood Boilers
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: AH&S

Product Description If your wondering how to make your inside hot air furnace work with your outdoor wood furnace, well here you go! This kit will prevent you from having two thermostats on the wall. Doing the installation with this...

$175.99$167.96
Woodmaster 4400 Maintenance Kit with Amtech300 - MKit4400-Am.
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Maintenance Kit - 4400 Includes Fire Rope for 4400, one FC546, RTV Silicone and One Gallon Amtech 300 The WoodMaster 4400 Yearly Maintenance Kit has everything you will Need to Tune Up your WoodMaster! The Yearly Maintenance Kit Includes: Fire...

$79.89
Woodmaster 4400 Maintenance Kit with Protech300
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Maintenance Kit - 4400 Includes Fire Rope for 4400, 1- Fan Cover FC546, 1- Tube of RTV Silicone and One Gallon Protech 300 The WoodMaster 4400 Yearly Maintenance Kit has everything you will Need to Tune Up your WoodMaster! The Yearly...

$89.89
SDKitComplete. - Shaver Auto Damper Kit with Fan and Aquastat
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description Shaver Auto Damper Kit with Digital Aquastat & Upgraded Fan is a great kit to upgrade your Shaver Wood Furnace. This kit makes your Shaver to smoke less during idle, burn hotter and cleaner and will let you...

$314.14
Strap on Aquastat & Installation Diagram
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: AH&S

Product Description If you're wondering how to make your inside hot air furnace work with your outdoor wood furnace, well here you go! This kit will prevent you from having two thermostats on the wall. Doing the installation with this...

$189.99$167.99
Protech300 Yearly Maintenance Kit: 2 ProTech300 and 1 Test Kit
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description ProTech 300 Boiler Treatment - Has been designed to be used in boiler treatment programs at a lower cost, yet exceeding all other brands on the market with having three levels of protection.  Adding 1 gallon of ProTech...

$109.93
DIYKitComplete - DIY Kit to Build Your Own Wood Boiler or Furnace
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description Build your own Outdoor wood Boiler Kit! This kit includes all that you see in the pictures, as well as a wiring diagram to assist you in the setup and install of the kit. Typical Applications Outdoor wood...

$318.14
Digital Aquastat & Hydro Coil Kit for Wood Boilers
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: AH&S

Product DescriptionIf your wondering how to make your inside hot air furnace work with your outdoor wood furnace, well here you go! This kit will prevent you from having two thermostats on the wall. Doing the installation with this kit...

$151.15
DIYKit - DIY Auto Damper Kit for Wood Boilers
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description Auto Damper Kit! This is a great kit to upgrade your boiler. This kit makes the boiler to smoke less during idle, burn hotter and cleaner. Will reduce the amount of wood being burned as well. Typical Applications...

$109.99$100.21
Pool Spa Kit 1"
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description PSkit01 Pool & Spa Kit 1”. This kit was designed for pool and spa hookups. It is most often used with open and closed-loop system. All fittings shown are included in the kit to simplify the order process...

$435.58
Hardy Boiler Outdoor Wood Furnace Door Seal Kit 5/8"-6Ft & 1, 10oz. Silicone
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description This Hardy Boiler Outdoor Wood Furnace Door Seal Kit has 6 feet of 5/8 Inch Braided fiberglass fire rope and 1 Professional Grade RTV Silicone. Typical Applications For H-2, H-3, H-4 and H-5 Hardy stove models Features 5/8"...

$18.33
Aquastat & Hydro Coil Kit- sharkbite
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: AH&S

Product Description If your wondering how to make your inside hot air furnace work with your outdoor wood furnace, well here you go! This kit will prevent you from having two thermostats on the wall. Doing the installation with this...

$209.99$197.96
Central Boiler Outdoor Wood Furnace Door Seal Kit: 9ft 1" Rope & 1, 10 oz. Silicone
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description This Central Boiler Outdoor Wood Furnace Door Seal Kit has 9 feet of 1 Inch Braided fiberglass fire Rope and 1 Professional Grade RTV Silicone. Typical Applications For CL 4030, CL 5036 HF48, CL 4436, CL 5636, CL 5036...

$27.90
HeatMaster Outdoor Wood Furnace Door Kit
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description HeatMaster Outdoor Wood Furnace Door Kit: includes 1x10 Oz. tube of RTV Black Silicone and 9 feet of braided fiberglass door seal rope.   Typical Applications Wood boilers and furnaces Features 1-10 oz. tube of RTV Silicone, black 9...

$27.90
Aqua-Therm Wood Boiler Door Seal Kit
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description Aqua-Therm Outdoor Wood Furnace Door Kit: includes one tube of RTV Black Silicone 10 oz and 7 feet of braided fiberglass door seal rope.   Typical Applications Wood boilers and furnaces Features One 10 oz. tube of RTV Silicone,...

$23.92
SDKit - Shaver Auto Damper Kit
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description Shaver Auto Damper Kit! This is a great kit to upgrade your Shaver Wood Furnace. This kit makes your Shaver to smoke less during idle, burn hotter and cleaner. Will reduce the amount of wood being burned as...

$139.00$102.21
HeatMor Outdoor Wood Boiler Door Seal Kit
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MANUFACTURER: Alternative Heating & Supplies

Product Description This Kit has 7' of 1'' braided fiberglass fire rope and 2 professional grade RTV Silicone tubes.   Typical Applications Outdoor wood furnaces  Features 2 10 oz. tube of RTV Silicone, black 7 Feet of 1 inch Fire rope...

$33.91
Woodmaster 5500 Maintenance Kit with Protech300
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Maintenance Kit - 5500 Includes Fire Rope for 5500, 2- Fan Covers FC546, 1- Tube of RTV Silicone and One Gallon Protech 300 The WoodMaster 5500 Yearly Maintenance Kit has everything you will Need to Tune Up your WoodMaster! The...

$110.87
Central Boiler Outdoor Wood Furnace Door Kit (CL-4030, CL-5036, HF48) 9ft of 1" Fire Door Rope & 1 10oz. RTV Silicone.
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description Central Boiler Outdoor Wood Furnace Door Kit: includes 1x10 Oz. tube of RTV Black Silicone and 9 feet of braided fiberglass door seal rope.   Typical Applications Wood boilers and furnaces Features 1x10 oz. tube of RTV Silicone, black...

$27.90
1" Fire Door Rope Kit For WM5500
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

1" Fire Rope to Seal most Outside Wood Furnaces Doors. Outdoor wood boiler fire rope, wood boiler door rope, Fiberglass Rope for Fire door, Stove Door Sealing Rope, knitted fiberglass rope, Fiberglass rope lagging, knit-braided fiberglass rope, fiberglass knit rope,...

$17.91
1" Fire Door Rope Kit For WM4400
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description 1" Fire Rope to Seal most Outside Wood Furnaces Doors. Outdoor wood boiler fire rope, wood boiler door rope, Fiberglass Rope for Fire door, Stove Door Sealing Rope, knitted fiberglass rope, Fiberglass rope lagging, knit-braided fiberglass rope, fiberglass...

$15.92
Protech300 Boiler Treatment and Test Kit
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PRODUCT TYPE: Wood Furnace Parts & Accessories

MANUFACTURER: Alternative Heating & Supplies

Product Description This yearly maintenance kit includes an our outdoor wood boiler treatment ProTech300 for rust, corrosion and scale prevention as well as a test kit to test nitrite levels and pH. A great way to keep your furnace running...

$64.94

Outdoor Wood Furnace Kits

When it comes to installing or upgrading a wood-fired heating system, having everything in one place makes the job a whole lot easier. At Alternate Heating & Supplies, our wood boiler installation kits are designed to work seamlessly with non-pressurized wood boiler systems.

Each wood furnace install kit includes the essential components you need for a professional-grade installation, without the guesswork:

  • High-temp PEX tubing
  • Threaded brass and stainless fittings
  • Pump flanges
  • Pressure/temperature gauges
  • High-temp ball valves and accessories

 

Whether you're setting up a new system or replacing old, worn components, these boiler system install packages are engineered to fit together efficiently and reduce compatibility issues.

Be sure to take a look at our other key products like Heat Exchangers, Circulator Pumps, and Aquastats for a complete installation package.

Optimize Hydronic Performance and Field Installations

Installing a hydronic heating system doesn’t have to be a hassle. Our hydronic heating install kits are designed to make field work smoother, faster, and more reliable for contractors, property managers, and handy homeowners.

Here's why our engineered hydronic heating kits are the go-to choice:

  • Standardized kits reduce sourcing errors
  • Fewer trips to the hardware store
  • Faster install times save labor costs
  • Better material performance under thermal stress
  • Compatible with closed-loop heating systems

 

Using one of our outdoor wood boiler hookup kits means you’ll have all the wood-fired heating installation components you need—made to last, tested under load, and ready to work.

Trusted by Installers, Backed by Technical Expertise

Contractors across the country turn to Alternate Heating & Supplies because they know our kits are built right, priced fairly, and backed by strong technical know-how. Whether you're doing a commercial wood furnace installation kit or need industrial wood boiler parts, you’re not on your own.

Our team offers detailed technical support, installation advice, and product recommendations tailored to your setup. That means fewer mistakes and better performance over time.

Ideal for:

  • New builds and installations
  • System replacements and retrofits
  • Multi-site or bulk commercial projects
  • DIY setups by self-sufficient homeowners

 

With reliable wood boiler system components on hand, your next install will go off without a hitch and stay running for years. Shop our outdoor wood furnace DIY kits and wood boiler heating system install kits today!