5/16 ′′ −18 Stainless Steel Acorn Nut 5-Pack (P/N 5000039)
$4.87This 5-pack of 5/16 ′′ −18 stainless steel acorn nuts (p/n 5000039) is used for securing furnace components.
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This 5-pack of 5/16 ′′ −18 stainless steel acorn nuts (p/n 5000039) is used for securing furnace components.

This 10-pack of 5/16 ′′ −18 x 1 ′′ stainless steel bolts (p/n 5000036) is used for securing furnace components .

This 5-pack of 5/8 ′′ −11 hex nuts (p/n 5923) is a zinc-finished replacement component used for secure fastening.

This 5-pack of 5/8 ′′ −11 high crown cap nuts (p/n 4630) is zinc-finished for securing door latch assemblies.

This cleaning rod (p/n 317) is used for removing debris from the burn chamber of M250/255P models .


Shop the Central Boiler 3/4 Medium Density Braid Rope for seals and coverage. High-quality OEM parts available with fast next day shipping.

Kit for older Classic models. Includes fuse holder, mounting bracket, fuses, and wire.

Note: This is the replacement Fuse Holder ONLY. It does not include the mounting bracket, fuses, or wire.


Premium brass sight gauge assembly kit including valve, cap, and elbow for Central Boiler, WoodMaster, and CleanFire models.

Clear sight gauge replacement tube with cap and clip for easy water level monitoring on Central Boiler furnaces.

This kit provides two bottles, boxes, and labels for submitting required water samples from Central Boiler Titanium furnaces .

This 3/4 ′′ Med Density Braid Rope Ring (p/n 7632) with an 8 ′′ ID is a replacement chimney sealing component .

This kit (p/n 361) provides 13 ft of 1 ′′ door seal rope and instructions for CL 7260 models (silicone not included).


This spring-assisted linkage kit (p/n 2500053) connects the solenoid to the damper control on Classic/Pallet Burner models and includes cotter pins .

This shovel (p/n 299/1970) is the essential tool used for removing ashes from the furnace .

This long, metal-handled ash rake (p/n 300) is used to pull coals forward and stir ashes in Classic furnaces .

This complete water test kit, which replaces older kits p/n 405 and 597−SP, is used to monitor inhibitor and antifreeze levels for essential system protection.


Door seal kits for Classic Edge and E-Classic outdoor furnaces. Includes silicone-coated fiberglass rope and black silicone adhesive. Select the kit based on your specific furnace model.


Door seal kits for Classic and Forge outdoor furnaces. Includes silicone adhesive and rope cut to length. Select the kit for your specific model.

This scraper (p/n 2000127) is the tool used for cleaning the flue passageways in E−Classic 1450 models .

This Flue Brush Kit (p/n 310) cleans the flue passageways of the E−Classic 2300 models and includes the brush, rod, and handle .

The p/n 390 Flue Brush Kit is used to clean the flue passageways of the E-Classic 2400 model .

This ash shovel (p/n 1970) is the designated tool for removing ashes from the firebox of E-Classic furnace models .

This flat shovel (p/n 2900535) is specifically designed to remove ash from the back of the Reaction Chamber on E−Classic and Classic Edge models .

This is the Litmus Paper (p/n 153) component only, used with discontinued water test kits (p/n 405/597) to measure water pH .

This 4−Quart galvanized ash scoop (p/n 315) is the ideal tool for cleaning ashes from the furnace .

This cinch tool (p/n 5925) is used exclusively for cinching 1 ′′ and 1/2 ′′ PEX stainless steel crimp rings to PEX pipe.

This wrench set (p/n 5459) simplifies removal and installation of 1−1/4 ′′ (large end) and 3/4 ′′ (small end) pipe plugs .

This torch (p/n 2900325) is designed for easy and reliable fire starting in Classic Edge,E−Classic,and Maxim furnaces .

This flue brush (p/n 398) is the replacement brush component for cleaning the flue passageways of E-Classic 2400 and Maxim M250/255 P models .


This kit provides a replacement lens and gasket (p/n 8113) for the furnace light assembly, but it does not include a light bulb .

This tempered 5/8 ′′ cleaning rod (p/n 2001235) is used to clean the firebox in Classic Edge and E−Classic models .

This portable mini 3-in-1 meter (p/n 2900393) accurately measures wood moisture (6%−42%) and ambient temperature for optimal burning .
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