Heating Equipment Accessories
Wall or cabinet mounted millivolt thermostat. For use with Williams wall furnaces. Allows you to set optimal comfort for the rooms heated by a Williams wall furnace.
- Standard millivolt thermostat
- Can be cabinet or wall mounted
- No electricity required
- Easy slide for temperature set
Williams blower accessory for Monterey top vent furnaces improves the circulation of warm air and reduces temperature differences in the room. It features a grille that is painted soft white to match the furnace casing. This blower is an accessory add-on, this is not a standard feature of the furnace.
- Improves the circulation of warm air and reduces temperature differences in the room
- Designed for use with Monterey top-vent furnace models: 2509621, 2509622, 3509621, 3509622, 5009621 and 5009622
- Grille painted soft white to match the furnace casing
- Attaches to top of Monterey furnaces with on/off switch or automatic operation
- 115-Volt
This high altitude conversion kit contains the necessary orifices for converting Williams heaters to function at elevations up to 1000 ft. A standard wall heater is rated for 0 to 2,000 ft. This kit will allow you to change the orifices for safe functioning at higher altitudes.
- Contains the necessary components required for converting a standard room heater to work in elevations that are between 2000 ft. and 8000 ft.
- Designed for use with the Williams gas wall heater
- Easy-to-follow instructions
- 2-orifice sizes included
The high-altitude kit for the Williams 5507332 gas wall heater contains the necessary orifices for converting this heater to function in elevations up to 1000 ft. Standard gas wall heaters come rated for 0 to 2,000 ft. This kit will allow you to change the orifices for safe functioning at higher altitudes.
- Contains the necessary components required for converting a standard room heater to work in elevations that are between 2000 ft. and 8000 ft.
- Designed for use with the Williams gas wall heater
- Easy-to-follow instructions
- 3-orifice sizes included
Vent limit switch for Williams furnaces has gold-plated switch contacts. It senses the furnace vent temperature and shuts off the appliance if it is not venting correctly. Board-mounted design with switch mounted on the extension straps.
- Compatible with Williams furnace models: 3508331, 3508332, 3508731, 3508732, 5008731, 5008732, 5508331, 5508332, 6508731, 6508732
- Determines when the air is warm enough to circulate
- Shuts off the burner when the air in the system exceeds a maximum temperature
- Original factory part
The Williams Furnace Co. LP Gas Conversion Kit for the Williams Natural Gas Furnace Model #1403622 includes instructions, a conversion certificate and labels. The kit contains the necessary components for converting the Williams Natural Gas Furnace (model #1403622) to propane gas.
- Conversion kit
- Contains the necessary components for converting the Williams natural gas furnace (model #1403622) to propane gas
- Includes easy-to-follow instructions
- Includes conversion certificate and labels
Williams Thin-Wall Collar Kit for use when wall thicknesses is between and 5 in. Designed to fit with all Williams Direct-Vent models. Used to increase thickness with wood strips are undesirable.
- Installs with vent kit on direct-vent models 1403622, 1403621, 2203622, 2203621, 3003622 and 3003621
- Constructed of durable metal
- To be used with Williams furnace vent cap assemblies only
- Original factory part
LP gas conversion kit for Williams furnace model 3509622. Convert your Williams' natural gas furnace, model number 3509622, into a propane gas version. Kit contains all items necessary for conversion from natural gas to propane gas.
- Natural to propane gas (LPG) conversion
- Includes all components to correctly change gas types
- Easy to follow instructions
- Conversion certificate and labels included
3-easy functions: On/Off - Thermostat Setting in digital. Operates with Williams Monterey, Direct-Vent Gravity and Hearth Console models. Black in color with velvet-touch casing.
- Easy-to-read LCD screen
- Displays room temperature in Fahrenheit or Celsius
- Battery operated
- 4-button control
The high altitude kit for the Williams 5008232 gas wall heater contains the necessary orifices for converting this room heater to function in elevations up to 1000 ft. Standard wall heaters come rated for 0 to 2,000 ft. This kit will allow you to change the orifices for safe functioning at higher altitudes.
- Contains the necessary components required for converting a standard room heater to work in elevations that are between 2000 ft. and 8000 ft.
- Designed for use with the Williams gas wall heater
- Easy-to-follow instructions
- 3-orifice sizes included
This 12 in. vent tube extension provides a durable, reliable solution for installing or modifying Williams direct-vent furnaces, helping ensure proper alignment where additional vent length is required. Made from heavy-duty galvanized metal, the extension supports long-term performance and withstands the heat and airflow conditions typical of direct-vent systems. It works with through-the-wall installations up to a 24 in. maximum vent length, making it a practical choice for projects involving variations in wall depth or replacement of worn components. The tube is compatible with Williams direct-vent models and fits standard HVAC configurations where a secure, corrosion-resistant connection is essential. Designed for straightforward integration into new or existing setups, this extension supports safe venting of combustion gases and helps maintain dependable furnace performance in residential or light commercial applications.
- This 12-inch galvanized tube extension supports direct vent furnace installations that require a longer through-wall connection
- The heavy-duty metal provides durability and helps it withstand regular heating system use
- It works with Williams direct vent furnaces and fits installations needing up to 24 in total vent length for proper alignment
- The tube functions as a replacement part or a component for new installation work
- The extension accommodates differences in wall depth and helps maintain a secure passage for vented combustion gases
Use Williams Vent Extension to meet your installation needs. This vent extension is designed to accommodate venting through a wall up to 15 in. thick. Vent tubes only, does not include outside cap.
- Galvanized metal
- Includes flue extension tube, air inlet tube and air inlet shield
- For Williams direct-vent gravity models 2203621, 2203622, 3003621 and 3003622
- For wall thicknesses from 9 in. to 15 in.
Williams vent adapter is provided for an installation that cannot be vented following the examples shown in the furnace installation instructions. Typically, this would be when a furnace is vented into a lined chimney. The model 9902 is for use on furnaces without a blower installed.
- Kit includes: vent adapter, fiberglass gasket and 10 screws
- Vent adapter is to be used only in a surface mounted installation of a Monterey single sided heater without a blower installed
- For freestanding applications
- Durable construction
Williams offers some great solutions to make your equipment more practical and easier to use. This Digital Wall Thermostat is designed to be used with all Monterey, Direct-Vent Gravity and Console Hearth Heaters. Easy-to-read LCD screen.
- Wired thermostat or manual on/set/off
- Wall-mounted installation
- Displays room temperature in Fahrenheit or Celsius
- Battery operated
The high altitude kit for the Williams 6007731 gas wall heater contains the necessary orifices for converting this room heater to function in elevations up to 1000 ft. Standard wall heaters come rated for 0 to 2,000 ft. This kit will allow you to change the orifices for safe functioning at higher altitudes.
- Contains the necessary components required for converting a standard room heater to work in elevations that are between 2000 ft. and 8000 ft.
- Designed for use with the Williams gas wall heater
- Easy-to-follow instructions
- 3-orifice sizes included
Williams dual header is designed to fit Monterey Dual-Wall Top-Vent furnace. This is a hardware assembly for the Monterey 50K BTU wall furnace. Also works with the Monterey Plus.
- Replace the part instead of the furnace
- Durable metal
- Comes fully assembled
- Easy to install
The high-altitude kit for the Williams 3501521A room heater contains the necessary orifices for converting this room heater to function in elevations up to 1000 ft. Room heaters come rated for 0 to 2,000 ft. This kit will allow you to change the orifices for safe functioning at higher altitudes.
- Contains the necessary components required for converting a standard room heater to work in elevations that are between 2000 ft. and 8000 ft.
- Designed for use with the Williams gas wall heater
- Easy-to-follow instructions
- 3-orifice sizes included
Williams Terminal Block Thermocouple is designed to provide high output for impressive performance, making it great for use with your wall furnace. For your convenience, the terminal block thermocouple includes a vent limit switch and a built-in junction box and it can fit many types of Williams furnaces. Perfect for use with your wall furnace.
- Equipped with a built-in junction box to which wires from the vent limit switch are connected
- Vent limit switch sold separately
- 24 in. L
- Fits Williams model numbers 3508731, 3508732, 4007731, 4007732, 5008731, 5008732, 6257731, 6257732, 6508731, and 6508732
Williams Monterey rear outlet furnace register allows heat to be diverted into an adjacent room. A chain-operated damper and register fit flush on a wall on the back side of your furnace. The damper adjusts the amount of heat delivered through the register.
- Discharges approximately 10% of the heat into an adjacent room
- Great for bedrooms and bathrooms
- Heavy-gauge metal painted in a soft-white finish
- Damper and register fit flush on a wall on the back side of the furnace
- Chain-operated damper adjusts the amount of heat delivered through register
- Turns your single outlet model into a dual
Floorboard provides a barrier between the heater and your home's floor. Use when your William's heater is placed on carpeting or vinyl-type flooring for best protection. Insulated metal floor board is painted to match your Williams' room console heater.
- Powder-coated black finish
- For use with Williams room console heater models 5001521, 5001522, 5001921, 5001922, 5002521, 5002522, 5002921, 5002922, 6501521, 6501522, 6501921, 6501922, 6502521, 6502522, 6502921 and 6502922
- For use when your Williams heater is placed on carpeting or vinyl-type flooring
- Insulated
Williams 36 in. Vent Enclosure fits all Forsaire Top-Vent Counterflow furnaces. The vent enclosure kit is used when the furnace is surface mounted. It encloses the vent pipe from the top of the surface to the ceiling.
- Durable metal construction
- Soft-white finish to match furnace
- Fits Forsaire top-vent counterflow furnace models: 6008532, 6008531, 3508732, 3508731, 5008732, 5008731, 6508732, 6508731, 3508332, 3508331, 5508332 and 5508331
- 12 in. or 24 in. models available to accommodate various ceiling heights
Header works with the Monterey 25K and 35K BTU wall furnace. Will also work with the Monterey Plus version. Replace the header without having to replace the entire furnace.
- Replace the part instead of the furnace
- Durable metal
- Comes fully assembled
- Easy to install
Williams furnace conversion kit for Williams natural gas room heaters 5001522A and 5002522A. Includes the components required to change the furnace from natural gas to propane. It contains a regulator and the necessary parts for a proper conversion.
- Contains the necessary components needed to convert a furnace from natural gas to propane
- Designed for the Williams room heater - natural gas to propane gas for 50015A/50019A/50025A/50029A series
- Includes easy to follow instructions
- Contains conversion certificate and labels
Williams Blower Accessory promotes increased warm air circulation and minimized temperature differences in the room for enhanced comfort. Designed to fit Williams Direct-Vent Furnaces 14,000 BTU. The blower accessory features a fully automatic fan switch.
- 115-Volt power supply required
- 125 CFM
- Fits direct-vent furnace 14,000 BTU models
- Blower is easy to install