When it is time to work on your furnace, there is no need to chase from here to there for your parts, accessories and maintenance tools. Mainline Heating and Supply, Inc. has them all in stock at all times and priced extremely competitively. In fact we carry the largest inventory of Central Boiler parts in the East! You may download a copy of Central Boiler's parts catalog.


We are your one-stop-shop of the wood furnace world. If you need it, we've got it. We stock large quantities of radiant tubing, pumps, water and air heat exchangers, thermostats and aquastats, pex piping, zone valves, space heaters and much more! We also stock supplies to clean your indoor wood stove and specialized paint for your chimney.


We have recently added a nice collection of outdoor clothing to keep you warm and stylish in the winter!

A partial listing of supplies that we stock:

• All of your Central Boiler parts and supplies
• Indoor Remote Sensors by NuTemp
• Indoor wood and pellet stove maintenance supplies
• Complete line of outdoor furnace & plumbing accessories
• Radiant tubing and fittings (*crete heat*)
• Flat plate heat exchangers
• Space heaters
• Winches, binders, chains, chock blocks, cargo bars
• Kohler automatic generator and Winco tri fuel manual generators supplies

We also carry:

• Promotional items
• Protective eyewear
• Hats
• Gloves

We are continually adding to our supplies. If what you are looking for is not listed just give us a call, chances are we have it or can order it for you!