Fan coil
stocking program
High performance fan coils for replacements or new builds — ready to ship within 10-15 days on select models.
All DX fan coils listed are supplied and labeled for R-410A. Equivalent R-454B models are available under separate part numbers and are not shown in this price sheet. Contact Williams for R-454B applications.
Ready for the moments that can't wait
Ship within 10-15 days on select models.
Factory direct support
Backed by Williams customer service and installation.
Standardized designs
Simplified ordering.
Proven performance
Built on trusted Williams platforms.
More than just fan coils
HVAC expertise
since 1916
For over 100 years, Williams has been a market leader in providing high quality HVAC products for residential and commercial buildings. For over 40 years, with the purchase of Lanco Fan Coils, Williams has been producing quality commercial fan coils and air handlers.
Today, Williams continues the proud tradition by offering to the commercial/industrial market more configurations and size options of quality fan coils and blower coils/air handlers than any other HVAC company in North America.
Product Lineup
Three cabinets,
stocking ready
Standardized configurations for faster selection — designed for replacement and time-sensitive projects.
V - Cased Vertical
High Performance Cased Vertical
Ducted vertical fan coils with an unpainted cabinet, used primarily in vertical floor mounted or hideaway applications — furred into partition walls or hidden in closets and utility rooms with a ducted discharge.
Key Features
- Removable front access panel for coil, blower and filter service
- Slide out blowers with quick connect plug
- One inch discharge duct flange standard on top panel
H - Horizontal
Horizontal Fan Coils
Low static, direct drive horizontal fan coils for concealed ceiling and closet applications. Available in both basic and return air plenum configurations for simplified installation and easy service access.
Key Features
- Low profile design for tight vertical dimensions above drop ceilings
- Primary and secondary drain connections
- Designed for jobs where low static pressure is required
L - Vertical
Vertical Fan Coils
Up flow design for office buildings, college dormitories, churches, hospitals, hotels and motels. Flat top with a removable, single piece front panel for complete access to the motor, coil, valve package, drain pan, filter and blower assembly.
Key Features
- Black top bar type discharge with front return air grille
- Sleek, slim aesthetic design for projects with limited space
- Easy access servicing via single piece front panel
Model List
Thirty stocking-ready models
| Type | Williams Model | Equivalent | Description |
|---|---|---|---|
| H | H004DXB301R031 | 4HBCXS3O-3RH | Horizontal Fan Coil DX with Electric Heat, 1 Ton, 400 CFM, 115 V |
| H | H004DXB302R032 | 4HBCXS3O-3RH | Horizontal Fan Coil DX with Electric Heat, 1 Ton, 400 CFM, 208 V |
| H | H004W2B301R000 | 4HBCSO-3RH | Horizontal Fan Coil Chilled or Hot Water Only, 1 Ton |
| H | H004W4B311R000 | 4HBCSO-31RH | Horizontal Fan Coil Chilled or Hot Water Only, 1 Ton |
| H | H004W4R311R000 | 4PHBCSO-31RH | Horizontal Fan Coil Chilled and Hot Water, 1 Ton |
| H | H006DHB312R000 | 6HBCXSO-31RH | Horizontal Fan Coil DX with Hot Water, 1.5 Ton |
| H | H006DXB301R031 | 6HBCXS3O-3RH | Horizontal Fan Coil DX with Electric Heat, 1.5 Ton, 600 CFM, 115 V |
| H | H006DXB302R052 | 6HBCXS5O-3RH | Horizontal Fan Coil DX with Electric Heat, 1.5 Ton, 600 CFM, 208 V |
| H | H006W2B301R000 | 6HBCSO-3RH | Horizontal Fan Coil Chilled or Hot Water Only, 1.5 Ton |
| H | H006W4B311R000 | 6HBCSO-31RH | Horizontal Fan Coil Chilled and Hot Water, 1.5 Ton |
| H | H006W4R311R000 | 6PHBCSO-31RH | Horizontal Fan Coil Chilled and Hot Water, 1.5 Ton |
| H | H008DHB311R000 | 8HBCXSO-31RH | Horizontal Fan Coil DX with Hot Water, 1 Ton |
| H | H008DHB312R000 | 8HBCXSO-31RH | Horizontal Fan Coil DX with Hot Water, 2 Ton |
| H | H008DXB302R072 | 8HBCXS7O-3RH | Horizontal Fan Coil DX with Electric Heat, 2 Ton, 800 CFM, 208 V |
| H | H008W2B301R000 | 8HBCSO-3RH | Horizontal Fan Coil Chilled or Hot Water Only, 2 Ton |
| H | H008W4B311R000 | 8HBCSO-31RH | Horizontal Fan Coil Chilled and Hot Water, 2 Ton |
| H | H008W4B411L000 | 8HBCSO-41LH | Horizontal Fan Coil Chilled and Hot Water, 2 Ton |
| H | H008W4B411R000 | 8HBCSO-41RH | Horizontal Fan Coil Chilled and Hot Water, 2 Ton |
| H | H008W4R411L000 | 8PHBCSO-41LH | Horizontal Fan Coil Chilled and Hot Water, with Return Air Plenum, 2 Ton |
| H | H008W4R411R000 | 8PHBCSO-41RH | Horizontal Fan Coil Chilled and Hot Water, with Return Air Plenum, 2 Ton |
| H | H010DXB302R072 | 10PHBXSO-3RH | Horizontal Fan Coil DX with Electric Heat, 2.5 Ton, 1000 CFM, 208 V |
| H | H010W2B301R000 | 10HBCSO-3RH | Horizontal Fan Coil Chilled or Hot Water, 2.5 Ton |
| H | H010W4B311R000 | 10HBCSO-31RH | Horizontal Fan Coil Chilled and Hot Water, 2.5 Ton |
| H | H010W4B411L000 | 10HBCSO-41LH | Horizontal Fan Coil Chilled and Hot Water, 2.5 Ton |
| H | H010W4B411R000 | 10HBCSO-41RH | Horizontal Fan Coil Chilled and Hot Water, 2.5 Ton |
| H | H010W4R411L000 | 10PHBCSO-41LH | Horizontal Fan Coil Chilled and Hot Water, with Return Air Plenum, 2.5 Ton |
| H | H010W4R411R000 | 10PHBCSO-41RH | Horizontal Fan Coil Chilled and Hot Water, with Return Air Plenum, 2.5 Ton |
| V | V006DHB311R000 | No Direct Equivalent | High Performance Vertical Fan Coil DX Cooling and Hot Water, 1.5 Ton |
| V | V006W4B311R000 | No Direct Equivalent | High Performance Vertical Fan Coil Chilled and Hot Water, 1.5 Ton |
| V | V010DHB411R000 | No Direct Equivalent | High Performance Vertical Fan Coil DX Cooling and Hot Water, 2.5 Ton |
H = horizontal · V = cased vertical. Hand of connection is designated L (left) or R (right) in the model number. Equivalents are provided as a convenience only — always verify dimensions, electrical requirements, airflow, performance, and application suitability prior to replacement.
Why Williams?
Model Identification
Williams fan coil model
identification system
| CFM |
|
200 TO 12,000 (002-120) CFM AVAILABLE EXAMPLE: 800 CFM = 008 1,000 CFM = 010 12,000 CFM = 120 |
| ROWS | |
| COOLING | HEATING |
| MOTOR VOLTAGE | |
| 1 | 115-1-60 |
| 2 | 208-1-60 |
| ELECTRIC HEAT | |||
| KILOWATTS | VOLTAGE | ||
| 00 | NONE | 0 | NONE |
| 1A | 1.5 | 1 | 115-1-60 |
| 2A | 2.5 | 2 | 208-1-60 |
| SYSTEM | |
| DX | DIRECT EXPANSION |
| DH | DIRECT EXPANSION / HYDRONIC HEAT |
| W2 | TWO PIPE HYDRONIC |
| W4 | FOUR PIPE HYDRONIC |
| MODEL | |
| H | HORIZONTAL |
| L | VERTICAL |
| V | CASED VERTICAL |
| CABINETS | |
| B | BASIC |
| M | MODULAR (LV) |
| R | REAR RETURN AIR PLENUM (LH / HL / HH) |
| HAND CONNECTION | |
| L | LEFT |
| R | RIGHT |
Quality Assurance
Certifications
ETL Listed
Williams horizontal fan coils are listed by Intertek (ETL). The ETL listing ensures that Williams horizontal fan coils have been examined by ETL and comply with the organization's applicable standards. ETL's re-examination service includes periodic visits by ETL inspectors to Williams' factory to ensure continued compliance for all listed products.
AHRI Certified
Williams horizontal fan coils are labeled and approved by the Air Conditioning, Heating & Refrigeration Institute (AHRI). Units are rated in accordance with the latest edition of ANSI/AHRI 440 Performance Rating of Room Fan Coils, subject to rating accuracy by AHRI sponsored, independent, third-party testing.
Get Started
Request pricing
or availability
Contact the factory for pricing, availability, cross-references, and R-454B applications. Our team is ready to help with your stocking program needs.
(888) 444-1212
Monday - Friday, 7am - 5pm PT
Applied@wfc-fc.com
Engineering support
Ready for the moments
that can't wait
Proudly manufactured in Colton, California. Talk to Williams for availability, cross-references and R-454B applications.
In a continuous effort to improve Williams Furnace Company products, the designs and specifications of the products described herein may be changed by Williams Furnace Company without notice. Because the designs and specifications may not be as described herein, you should always contact Williams Furnace Company for the most current design and specification information. The designs and specifications provided herein are the opinions of Williams Furnace Company and are not to be considered as any express warranty.