Stainless Steel Wood Burning Outside Furnaces
Call us Toll Free at 1-866-966-3432

Free Heat Machine | Outdoor Wood Burning Furnaces Boilers Heating Water Radiant Heat

Options & Upgrades

Prefabricated Hot Water Heating Package
Anti-Scald Valve Package
Domestic Water Preheater
Summer Heat By-Pass Package
Remote Pump Package
Air Removal Kit
Air Handler Package
Unit Heater Package
Duct Coil Support Package
Pool Heater
Super Saver Manual Pool Heating Package
Stainless Steel Chimney Cap

video

Click Here for animated illustration.

Side Arm

*Water heater tank is not included. Design and material list subject to change based on hot water heater design.

Prefabricated Hot Water Heating Package (Side Arm Heat Exchanger)

We build a custom package for you based on the dimensions of your water heater - all you need to do is screw it on. What you see in the photo is the completed assembly on a 40 gallon electric water heater. We can work with any kind of water heater, but the design may be different from that shown.

With this water-to-water heat exchanger you'll never run out of hot water as long as you have a fire in your FREE HEAT MACHINE.

49" 1-1/2" Copper Tubing
55" 3/4" Copper Tubing
1-1/2" x 3/4" x 1" Copper Tee
2 - 1" Female Copper x 1" PEX Barb Adapter
2 - 1" PEX Crimp Ring
2 - 3/4" x 3" Brass Nipples
2 - 3/4" Copper Tee
1 - 3/4" Bronze Boiler Drain
2 - 3/4" FTG x F STR Adapter
2 - 3/4" Copper Union
1 - 3/4" Copper 90 Ell
2 - 3/4" Copper x 3/4" Threaded Male Adapter
1 - 12" - 3/4" Copper Flex Connector
1 - 3/4" Copper x 3/4" Threaded Female Adapter
5' 1-5/8" ID x 1" Wall Closed Cell Insulation
5' 2" wide Closed Cell Insulation Tape
1 Labor to Prefabricate This Custom Assembly to Fit Existing Water Heater

$279.00

Anti-Scald

Shown: Anti-Scald Valve Assembly for Electric Domestic Water Heaters (ASSY-10032-1)
Also avalible for Gas Domestic Water Heaters (ASSY-10032-2)

Anti-Scald Valve Package

Since the domestic hot water heating package does such a good job of heating the water in your hot water tank, you will need to “temper” it before it gets to you or the “kiddies”.

2 - Push-N-Go x 3/4” Male Threaded Adaptor 1 - 3/4" Push-N-Go Tee
1 - Danfoss (TMV MR Series) Mixing / Anti-Scald Valve with 3/4” Compression Connections
1 - Danfoss Installation and Operation Instructions
1 - 3/4" PEX x 4-1/2” Pipe (Hot)
1 - 3/4" PEX x 4-1/4” Pipe (Cold)
1 - 3/4" PEX x 6” Pipe (Mix)
1 - Tube of pipe sealant paste
1 - 3/4" PEX x 15” Pipe (Extra – Not needed unless modification necessary)
1 - Labor to Prefabricate This Custom Assembly to Fit Existing Water Heater

$169.00

Optional (Not included in kit)

1 - Clamp-on temperature gauge 30F/240F range

Domestic Hot Water

Click Here for animated illustration.

Domestic Water Preheater

Acting as a domestic water pre-heater, the brazed plate heat exchanger kit is an easy and economical way to use your outside furnace to save on your domestic water heating bills. The more hot water you use, the more you get! This design is especially helpful for water heaters located in very tight spaces- places where the side-arm heat exchanger wont fit.

1 - 12" 3/4 x 3/4 FIP Flex Connector
1 - 18" 3/4 x 3/4 FIP Flex Connector
1 - 3/4" x 2" Brs Nipple
1 - 3/4" Push 'N Go Male Coupling
2 - 1" Swivel x 1" Barb Adaptor
6 - 1" PEX Crimp Ring
2 - 1" PEX Barb 90 Ell

$299.00

Summer Heat By-Pass

Summer Heat By-Pass Package

For those of you who want to burn throughout the year to heat your domestic hot water, this is a must. The design allows you to bypass the duct coil in the summer.

3 - 1" Brs FP Thrd Ball Valve
2 - 1 x 3 Brass Nipple
2 - 1" x Close Brass Nipple
4 - PEX Barb x 1" MPT Adapter
2 - 1" Brass Tee
4 - Copper Strut Clamp w/hardware
8 - 1 5/8 x 1 5/8 x 10 14 Green H/Slot Strut
1 - Fabricated Crossover Base

$149.00

Remote Pump Package

Remote Pump Package

Usually, we pre-mount the circulating pump on the furnace. But occasionally, design conditions call for the pump to be mounted remote from the furnace - usually at the lowest point of the system.

1 - Remote Pump Ball Valve/Drain Assy
1 - TACO 007 Circulator Pump
1 - Set of 1" Ductile Flanges for TACO Pumps
1 - 8' Electric Cord & Plug
1 - Fabricated Pump Base

$199.00

Air Removal Kit

Air Removal Kit

This little package allows you to use your home's water supply to purge the hydronic system of air. Our experience has been that this is well worth the money.

1 - 3/4" x 3/4" Hose Swivel Adapter
2 - Rubber Washer
1 - 3/4" Bronze Boiler Drain
1 - 1" x 1" x 3/4" Threaded Brass Tee
2 - 1" PEX x 1" Male Adapter fittings
2 - 1" PEX Crimp Rings
1 - Labor to assemble and test

$39.00

Air Handler Package

Air Handler Package

This hydronic air handler is an attractive stand-alone appliance designed to connect to new ductwork or an optional filter box and directional hood.

Sizes and prices vary from $779 - $988

Unit Heater

Unit Heater Package

This hydronic unit heater is great for localized areas with no dust. This unit heater is designed to hang from the ceiling on threaded rod. Simple installation.

Sizes and prices vary from $447 - $943

Duct Coil Support Package

Designed specifically for down-draft type furnaces in manufactured homes where space is limited. This kit is added to a duct coil (not included) and allows you to set the down-draft furnace cabinet on the coil.

$99.00

video
Pool Box Pool Package

Pool Heater Package (With or Without Deck Box)

This Pool Heater Kit is designed for pools with surface area at or under 770 sq. ft. (18' x 30' for example) assuming that you want to keep the water temperature between 80F and 82F. (We can heat larger pools too - just ask.)

Pool heater kits are designed and packaged for fast installation and high capacity performance. Can be winterized and/or disconnected and removed when not in use.

The kit contains a stainless steel shell and tube heat exchanger, aquastat, 3-way diverter valve, 1-1/2" PVC ball valves (and additional components) mounted in an attractive deck box or on an easy to mount board.

(Important Note: Most heat loss is from evaporation, so always use a pool blanket for best results.)

770 Sq. Ft. Pool With Deck Box $2,397.00

Without Deck Box $1,997.00

Super Saver Pool Heating

Super Saver Manual Pool Heating Package

Extend your pool season with our 180,000 BTU manually controlled pool heater. This heater is easy to install, easy to operate, complete winterization kit available. Some of our customers heat their pool all year.

$699

Chimney Cap

Stainless Steel Chimney Cap

This chimney cap is designed to keep rain water out of the firebox (water and ashes can get messy.) This is great for windy installations too.

9" - $76

Side Arm Animated Domestic Water Animated

Hot Water Heater Worksheet
PDF 79 KB

Pool Heater Worksheet
PDF 236 KB

Get Adobe Reader

FinancingCredit
Simple Radiant
TimberRidge Inc

Timber Ridge, Inc.
2020 Highway 11-E
Jonesborough, TN 37659

Sale Ends May 16th
The Most Complete Systems Available Anywhere
Design Consultants Available: 9AM to 6PM (M-F)

Toll Free: 1-866-966-3432
Phone: (423) 913-0515
Fax: (423) 913-1579
Email Us

Site Map | | Print This Page
Call us Toll Free at 1-866-966-3432

The Free Heat Machine stainless steel wood burning outside furnaces (sometimes called an outdoor wood furnace, outside wood boiler, outdoor wood boiler, outdoor furnace, outdoor wood stove) can take care of all your residential or commercial heating needs.

If you have access to free or inexpensive wood, live in a rural area, and are looking for a method to save thousands on your heating bill - an outdoor wood furnace is the perfect choice. Timber Ridge sells the Free Heat Machine wood boiler direct to residential and commercial consumers across the nation to heat multiple buildings, hot tubs, pools, greenhouses, domestic water and more.