King’s KB PlatinumX BMS series unit heaters are the most full-featured unit heaters on the market, with in-built electronic thermostat for +/- 1°F accuracy and remote control for simple operation. Comes standard with a provision for adding an optional 24V thermostat for remote temperature control, making it compatible with Nest Thermostats or Building Management System Integration. Includes integrated summer fan only and thermostat timer modes, the KB PlatinumX has you covered.
Designed for use as primary or supplemental heat sources in large or exposed areas, including high-rise buildings, stores, warehouses, garages, water treatment and fire room vaults to prevent freezing. Spiral finned steel elements and high CFM ensure even air distribution producing cooler element operation, prolonging heater life. By combining the highest quality components, with a dynamically balanced fan blade, the KB PlatinumX unit heater will provide years of trouble-free service. Includes universal wall/ceiling bracket for simple installation.
Upgrade by adding the optional ECO PRO Controller, which is a Remote Thermostat, featuring a 7-day programmable heating schedule that puts personalized comfort right at your fingertips. This advanced scheduling function allows users to set different heating profiles for each day of the week, aligning comfort with daily routines while optimizing energy efficiency.
The optional ECO PRO Controller is also compatible with optional wireless RF window/door and occupancy sensors, automatically setting back temperatures when windows are open or when the room is unoccupied.
Now That’s Smart!
- Energy-Saving PlatinumX Electronic Temperature Controller
- Thermostat Temperature Range: 40℉ to 95℉
- Built-In Provision For Using Any 24V Remote Thermostat or Building Management System Integration.
- Compatible with NEST / Any 24V Thermostat, including WIFI stats or BMS Systems
- Compatible With Wired Window/Door/Occupancy Sensors
- Integrated BMS Lockout Circuit
- Hand Held Remote Control & Wall Holder Included
- Summer Fan Only & Timer Modes
- Auto Memory Feature: Returns Unit To Last Settings After Power Outage
- Adjustable Louvers to Direct Air
- Built-In Fan Delay to Dissipate Heat
- High Mass Steel Fin Heat Exchanger
- Patented Smart Limit Protection®
- Permanent Lubricated Unit Bearing Motor
- Universal Wall/Ceiling Bracket Included
- Heaters 25kW and above are ECO2S+ 2-stage heaters
- Optional Upgrade: Add The ECO PRO Controller To Program a 7-Day Heating Schedule, With Remote Temperature Sensing.
- The Optional ECO PRO Controller Is Compatible With Optional Wireless RF Window/Door/Occupancy Sensors
- Proudly Made in the USA with U.S. & Global Materials
- 5-Year Limited Warranty
Product Features
In-Built Electronic Thermostat For Accuracy & Remote Control
KB PlatinumX BMS offers unparalleled performance, energy efficiency and user control with an in-built electronic thermostat providing +/- 1°F accuracy, as well as a hand-held remote control for simple operation.
Now That’s Smart!
KB PlatinumX BMS Works with NEST & BMS Systems
KB PlatinumX BMS comes standard with a provision for adding an optional 24V thermostat (including Nest), allowing for remote temperature control or simple integration with a building management system (BMS). Whether you prefer smart home convenience or centralized building control, comfort is always just a click away.
Spiral Steel Fin Heating Element For Maximum Heat Exchange
The metal sheath element is copper brazed with spiral fins then molded into a coil configuration. This combination produces the heat transfer while eliminating the potential for hot spots by positioning the element in the maximum airflow stream.
Available Models
Complete Stock Models - Single Phase - Ordering Information
| MODEL | UPC | KW | BTUH | PHASE | VOLTS | AMPS | MOTOR HP | CFM | TEMP. RISE | AIR THROW | MAX. MOUNT HEIGHT | SIZE | WT. (lbs.) | Purchase |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KB2003-1-PLTMX-BMS | 70474 | 3.3 | 11,263 | 1 | 208 | 15.9 | 16W** | 520 | 20 | 15ft. | 8ft. | A | 30.5 | Buy Now |
| KB2004-1-PLTMX-BMS | 70475 | 4 | 13,652 | 1 | 208 | 19.2 | 16W** | 520 | 24 | 15ft. | 8ft. | A | 30.5 | Buy Now |
| KB2005-1-PLTMX-BMS | 70476 | 5 | 17,065 | 1 | 208 | 24 | 16W** | 520 | 30 | 15ft. | 8ft. | A | 30.5 | Buy Now |
| KB2007-1-PLTMX-BMS | 70477 | 7.5 | 25,598 | 1 | 208 | 36.1 | 25W** | 690 | 34 | 20ft. | 9ft. | B | 45 | Buy Now |
| KB2010-1-PLTMX-BMS | 70478 | 9.98 | 34,130 | 1 | 208 | 48 | 35W** | 800 | 39 | 24ft. | 10ft. | B | 45 | Buy Now |
| KB2012-1-PLTMX-BMS-FB | 70479 | 12.5 | 42,663 | 1 | 208 | 60.1 | 50W** | 935 | 42 | 28ft. | 11ft. | C | 50 | Buy Now |
| KB2015-1-PLTMX-BMS-FB | 70480 | 15 | 51,195 | 1 | 208 | 72.1 | 50W | 1050 | 45 | 33ft. | 12ft. | C | 50 | Buy Now |
| KB2403-1-PLTMX-BMS | 70481 | 3.3 | 11,263 | 1 | 240/208* | 13.8/11.9* | 9W | 520 | 20 | 15ft. | 8ft. | A | 30.5 | Buy Now |
| KB2404-1-PLTMX-BMS | 70482 | 4 | 13,652 | 1 | 240/208* | 16.7/14.4* | 9W | 520 | 24 | 15ft. | 8ft. | A | 30.5 | Buy Now |
| KB2405-1-PLTMX-BMS | 70483 | 5 | 17,065 | 1 | 240/208* | 20.8/18* | 9W | 520 | 30 | 15ft. | 8ft. | A | 30.5 | Buy Now |
| KB2407-1-PLTMX-BMS | 70484 | 7.5 | 25,598 | 1 | 240/208* | 31.3/27* | 16W | 690 | 34 | 20ft. | 9ft. | B | 45 | Buy Now |
| KB2410-1-PLTMX-BMS | 70485 | 10 | 34,130 | 1 | 240/208* | 41.6/36.1* | 16W | 800 | 40 | 24ft. | 10ft. | B | 45 | Buy Now |
| KB2412-1-PLTMX-BMS-FB | 70486 | 12.5 | 42,663 | 1 | 240/208* | 52.1/45.1* | 35W | 935 | 42 | 28ft. | 11ft. | C | 50 | Buy Now |
| KB2415-1-PLTMX-BMS-FB | 70487 | 15 | 51,195 | 1 | 240/208* | 62.5/54.1* | 50W | 1050 | 45 | 33ft. | 12ft. | C | 50 | Buy Now |
| KB2703-1-PLTMX-BMS | 70488 | 3 | 10,239 | 1 | 277 | 10.8 | 9W | 520 | 18 | 15ft. | 8ft. | A | 30.5 | Buy Now |
| KB2704-1-PLTMX-BMS | 70489 | 4 | 13,652 | 1 | 277 | 14.4 | 9W | 520 | 24 | 15ft. | 8ft. | A | 30.5 | Buy Now |
| KB2705-1-PLTMX-BMS | 70490 | 5 | 17,065 | 1 | 277 | 18.1 | 9W | 520 | 30 | 15ft. | 8ft. | A | 30.5 | Buy Now |
| KB2707-1-PLTMX-BMS | 70491 | 7.5 | 25,598 | 1 | 277 | 27.1 | 16W | 690 | 34 | 20ft. | 9ft. | B | 45 | Buy Now |
| KB2710-1-PLTMX-BMS | 70492 | 10 | 34,130 | 1 | 277 | 36.1 | 25W | 800 | 40 | 24ft. | 10ft. | B | 45 | Buy Now |
Complete Stock Models - Three Phase - Ordering Information
| MODEL | UPC | KW | BTUH | PHASE | VOLTS | AMPS | MOTOR HP | CFM | TEMP. RISE | AIR THROW | MAX. MOUNT HEIGHT | SIZE | WT. (lbs.) | Purchase |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KB2012-3-PLTMX-BMS | 70493 | 12.5 | 42,663 | 3 | 208 | 34.7 | 50W** | 935 | 42 | 31ft. | 12ft. | C | 50 | Buy Now |
| KB2015-3-PLTMX-BMS | 70494 | 15 | 51,195 | 3 | 208 | 41.6 | 50W | 1050 | 45 | 33ft. | 13ft. | C | 50 | Buy Now |
| KB2020-3-PLTMX-BMS-FB | 70495 | 20 | 68,260 | 3 | 208 | 55.5 | 1/4 HP | 1750 | 36 | 37ft. | 14ft. | E | 60 | Buy Now |
| KB2025-3-PLTMX-BMS-FB | 70496 | 25 | 85,325 | 3 | 208 | 69.4 | (2) 50W** | 1870 | 42 | 39ft. | 15ft. | F | 85 | Buy Now |
| KB2030-3-PLTMX-BMS-FB | 70497 | 30 | 102,390 | 3 | 208 | 83.2 | (2) 50W | 2100 | 45 | 41ft. | 17ft. | F | 85 | Buy Now |
| KB2412-3-PLTMX-BMS | 70498 | 12.5 | 42,663 | 3 | 240/208* | 30.1/26* | 35W | 935 | 42 | 31ft. | 12ft. | C | 50 | Buy Now |
| KB2415-3-PLTMX-BMS | 70499 | 15 | 51,195 | 3 | 240/208* | 36.1/31.2* | 50W | 1050 | 45 | 33ft. | 13ft. | C | 50 | Buy Now |
| KB2420-3-PLTMX-BMS-FB | 70500 | 20 | 68,260 | 3 | 240/208* | 48.1/41.6* | 1/4 HP | 1750 | 36 | 37ft. | 14ft. | E | 60 | Buy Now |
| KB2425-3-PLTMX-BMS-FB | 70501 | 25 | 85,325 | 3 | 240/208* | 60.1/52.0* | (2) 35W | 1870 | 42 | 39ft. | 15ft. | F | 85 | Buy Now |
| KB2430-3-PLTMX-BMS-FB | 70502 | 30 | 102,390 | 3 | 240/208* | 72.1/62.4* | (2) 50W | 2100 | 45 | 41ft. | 17ft. | F | 85 | Buy Now |
| KB2440-3-PLTMX-BMS-FB | 70503 | 40 | 136,520 | 3 | 240/208* | 96.2/83.2 | (2) 1/4 HP | 3500 | 36 | 43ft. | 19ft. | F | 100 | Buy Now |
| KB4820-3-PLTMX-BMS | 70504 | 20 | 68,260 | 3 | 480 | 24.1 | 1/4 HP | 1750 | 36 | 37ft. | 14ft. | E | 60 | Buy Now |
| KB4825-3-PLTMX-BMS | 70505 | 25 | 85,325 | 3 | 480 | 30.1 | (2) 35W | 1870 | 42 | 39ft. | 15ft. | F | 85 | Buy Now |
| KB4830-3-PLTMX-BMS | 70506 | 30 | 102,390 | 3 | 480 | 36.1 | (2) 50W | 2100 | 45 | 41ft. | 17ft. | F | 85 | Buy Now |
| KB4840-3-PLTMX-BMS-FB | 70507 | 40 | 136,520 | 3 | 480 | 48.2 | (2) 1/4 HP | 3500 | 36 | 43ft. | 19ft. | G | 100 | Buy Now |
Complete Stock Models - Multi Phase - Ordering Information
| MODEL | UPC | KW | BTUH | PHASE | VOLTS | AMPS | MOTOR HP | CFM | TEMP. RISE | AIR THROW | MAX. MOUNT HEIGHT | SIZE | WT. (lbs.) | Purchase |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KB2003-3MP-PLTMX-BMS | 70508 | 3 | 10,239 | 1-3 | 208 | 14.4/8.3 | 16W** | 520 | 18 | 20ft. | 8ft. | C | 45 | Buy Now |
| KB2005-3MP-PLTMX-BMS | 70509 | 5 | 17,065 | 1-3 | 208 | 24/13.9 | 16W** | 520 | 30 | 20ft. | 8ft. | C | 45 | Buy Now |
| KB2007-3MP-PLTMX-BMS | 70510 | 7.5 | 25,598 | 1-3 | 208 | 36.1/20.8 | 25W** | 690 | 34 | 24ft. | 9ft. | C | 46.5 | Buy Now |
| KB2010-3MP-PLTMX-BMS | 70511 | 9.98 | 34,062 | 1-3 | 208 | 48/27.7 | 35W** | 800 | 39 | 29ft. | 11ft. | C | 46.5 | Buy Now |
| KB2403-3MP-PLTMX-BMS | 70512 | 3 | 10,239 | 1-3 | 240/208* | 12.5/7.2* & 10.8/6.2* | 9W | 520 | 18 | 20ft. | 8ft. | C | 45 | Buy Now |
| KB2405-3MP-PLTMX-BMS | 70513 | 5 | 17,065 | 1-3 | 240/208* | 20.8/12* & 18/10.4* | 9W | 520 | 30 | 20ft. | 8ft. | C | 45 | Buy Now |
| KB2407-3MP-PLTMX-BMS | 70514 | 7.5 | 25,598 | 1-3 | 240/208* | 31.2/18* & 27/15.6* | 16W | 690 | 34 | 24ft. | 9ft. | C | 46.5 | Buy Now |
| KB2410-3MP-PLTMX-BMS | 70515 | 10 | 34,130 | 1-3 | 240/208* | 41.7/24* & 36.1/20.8* | 25W | 800 | 40 | 29ft. | 11ft. | C | 46.5 | Buy Now |
| KB4803-3MP-PLTMX-BMS | 70516 | 3 | 10,239 | 1-3 | 480 | 6.3/3.6 | 9W | 520 | 18 | 20ft. | 8ft. | C | 45 | Buy Now |
| KB4805-3MP-PLTMX-BMS | 70517 | 5 | 17,065 | 1-3 | 480 | 10.4 & 6.0 | 9W | 520 | 30 | 20ft. | 8ft. | C | 45 | Buy Now |
| KB4807-3MP-PLTMX-BMS | 70518 | 7.5 | 25,598 | 1-3 | 480 | 15.6/9.0 | 16W | 690 | 34 | 24ft. | 9ft. | C | 46.5 | Buy Now |
| KB4810-3MP-PLTMX-BMS | 70519 | 10 | 34,130 | 1-3 | 480 | 20.8 & 12 | 25W | 800 | 40 | 29ft. | 11ft. | C | 46.5 | Buy Now |
| KB4812-3MP-PLTMX-BMS | 70520 | 12.5 | 42,663 | 1-3 | 480 | 26 & 15 | 35W | 935 | 42 | 31ft. | 12ft. | C | 50 | Buy Now |
| KB4815-3MP-PLTMX-BMS | 70521 | 15 | 51,195 | 1-3 | 480 | 31.3 & 18 | 50W | 1050 | 45 | 33ft. | 13ft. | C | 50 | Buy Now |
Ordering Information - Optional Pro Controller & Accessories
| ADD SUFFIX: | UPC | DESCRIPTION | WT. (LBS.) | Purchase |
|---|---|---|---|---|
| ECO-PRO-CONTROLLER | 70421 | Pro Controller - 7-Day Programmable Thermostat/Remote Sensor/Remote | 0.2 | Buy Now |
| ECO-PRO-RF-PIR-SENSOR | 70422 | Optional, RF Battery Powered PIR Occupancy Sensor for ECO Models | 0.2 | Buy Now |
| ECO-PRO-RF-WINDOW-SENSOR | 70423 | Optional, RF Battery Powered PIR Window or Door Sensor for ECO Models | 0.2 | Buy Now |
Ordering Information - Optional Field Installed Disconnect Switch
| MODEL | UPC | DESCRIPTION | WT. (lbs.) | Purchase |
|---|---|---|---|---|
| DS32 | 13480 | Disconnect Switch, Field Installed Kit, 32 AMP, 600V | 2 | Buy Now |
| DS63 | 13481 | Disconnect Switch, Field Installed Kit, 63 AMP, 600V | 2 | Buy Now |
| DS80 | 13482 | Disconnect Switch, Field Installed Kit, 80 AMP, 600V | 2 | Buy Now |
| DS100 | 13483 | Disconnect Switch, Field Installed Kit, 100 AMP, 600V | 5 | Buy Now |
Ordering Information - Replacement Accessories
| MODEL | UPC | DESCRIPTION | WT. (lbs.) | Purchase |
|---|---|---|---|---|
| KBB-1 | 13484 | Replacement Universal Wall/Ceiling Small Mounting Bracket (for heaters with size A heaters) | 1.9 | Buy Now |
| KBB-2 | 13485 | Replacement Universal Wall/Ceiling Large Mounting Bracket (for heaters with size B and C) | 2.6 | Buy Now |
| KBB-3 | 13488 | Replacement Universal Wall/Ceiling Large Mounting Bracket (for heaters with size F & G ) | 3.9 | Buy Now |
| KBHS | 13486 | Replacement Hook Swivel | 0.4 | Buy Now |
| KBHK | 13487 | Replacement Hardware Kit | 0.1 | Buy Now |
Ordering Information - Bracket Selection Chart
| BRACKET # | HEATER KW SIZE USED WITH | BRACKET DIMENSIONS | L | W | H | A | B | C | D | E | F | X | Y | Z | Purchase |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KBB-1 | 3 to 5 kW (1 phase) | 12 1/2" | 2 15/16" | 10 1/16" | 1 3/16" | 7" | 1 7/8" | 1 7/8" | 9 1/4" | 1 7/8" | 3/4" | 1" | 1/2" | Buy Now | |
| KBB-2 | 7.5 to 10 kW (1 phase) 3 to 20 kW (3 phase) | 16 7/8" | 2 15/16" | 10 1/8" | 1 1/4" | 7" | 1 7/8" | 1 5/8" | 13 5/8" | 1 5/8" | 3/4" | 1" | 1 1/2" | Buy Now | |
| KBB-3 | 25 to 40 kW (3 phase) | 19 1/2" | 4 3/16" | 13 3/16" | 15/16" | 10" | 1 7/8" | 1 5/8" | 16 1/4" | 1 1/8" | 11/16" | 1" | 2" | Buy Now |
Engineering Specs
Contractor shall supply and install KB Platinum X BMS Series unit heaters manufactured by King Electrical Mfg. Company. Heaters shall be of the wattage and voltage as indicated on the plans.
Construction: All exterior and interior metal enclosure parts are made from 20 gauge electrogalvanized Steel with a rust inhibiting baked enamel finish. Smooth rounded corners and protective edge trim give an attractive modern appearance.
PlatinumX Electronic Thermostat Control: Thermostat Temperature Range: 40℉ to 95℉. Up, down temperature mode. Start/Stop. Standard on all heaters. Heaters 25kW and above are ECO2S+ 2-stage heaters
Provision For 24V Remote Thermostat: Includes terminals to connect an optional 24V Thermostat or BMS system. Compatible with NEST / any 24V WIFI Stat / 5-Wire BMS Systems.
Auto Memory Feature: Returns Unit To Last Settings After Power Outage.
Adjustable Outlet Louver: Louvers direct air up or down as needed for the heating application.
Rear Intake Screen: Heavy gauge steel screen protects against foreign objects making accidental contact with the rotating fan blade.
Spiral Fin Elements: The metal sheath element is copper brazed with spiral fins then molded into a coil configuration. This combination produces the best heat transfer while eliminating the potential for hot spots by positioning the element in the maximum airflow stream.
Totally Enclosed Fan Motor: Permanently lubricated long life, unit bearing with 20cc of oil. Epoxy-coated motor with enclosed rotor resists moisture and corrosion for long-lasting, trouble-free operation.
Aluminum Fan Blade: Axial flow-type fan mounted directly to the motor shaft for maximum efficiency.
Thermal Overload: Heaters shall be equipped with King’s patented thermal overload Smart Limit Protection®, which disconnects elements and motor in
the event normal operating temperatures are exceeded. If thermal overload trips due to abnormal operating temperatures, thermal overload shall remain open until manually reset by turning the heater off for 15 minutes. Automatically reset of thermal overloads, which allow the element to continue to cycle under abnormal conditions, will not be accepted.
Internal Controls: Magnetic contactors are standard on all 480V heaters, all 208V/1-Phase, 240V/1-Phase, 277V/1-Phase heaters above 6kW, and all 3-Phase heaters.
Fusing: Internal circuit fusing is provided when the heater ampacity exceeds
Fusing: Internal circuit fusing is provided when the heater ampacity exceeds 48 Amps to comply with N.E.C. standards. A fan delay is provided standard on models 12.5-kW and above to dissipate residual heat from the heating elements.
Easy Installation: A quick access panel located on the bottom of the heater allows for quick wiring and easy maintenance for the life of the heater. Includes universal wall/ceiling bracket for simple installation.
Approvals: cULus (E41422)
Downloads
Related Products
MODEL KB ECO2S®
- 208, 240 volt
- 4,000 to 15,000 watts
KB Eco2S simply works smarter not harder. Offering unparalleled performance, energy efficiency and user control thru another King innovation, the ECO2S 2-stage electronic thermostat with remote control.
MODEL SKB
- 208, 240 volt
- 5,000 to 10,000 watts
Compact and powerful heater perfect for freeze and moisture protection. With a built-in adjustable mechanical thermostat. Standard equipment in high rise buildings, garages, water treatment areas and warehouses.
MODEL KBP
- 120, 208, 240, 277, 480 volt
- 950 to 6000 watts / 385 CFM
Ceiling or wall mountable, flow through design pulls air from back of heater to efficiently discharge warm air out the front at 385 CFM. Perfect for a garage or shop.
MODEL KBS
- 208, 240, 277, 480 volt
- 3,000 to 40,000 watts
Stainless steel, ideal in heating and freeze protection of areas needing periodic hosing down. Extremely corrosive resistant with water tight components.