We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

MARKEL PRODUCTS Recessed Electric Wall-Mount Heater: 5,000W, 240V AC, Three Phase, 240V AC - Large Recessed Electric Wall Heaters with Occupancy Sensor
MARKEL PRODUCTSLarge Recessed Electric Wall Heaters with Occupancy Sensor

MARKEL PRODUCTS Recessed Electric Wall-Mount Heater: 5,000W, 240V AC, Three Phase, 240V AC

The MARKEL PRODUCTS Recessed Electric Wall-Mount Heater (SKU 52YX43, MPN K3455SD-GB) is a large recessed electric wall heater with occupancy sensor, rated at 5,000W, 240V AC, three-phase. It features a bronze grille…

SKU 3G-OTH-64014

Brand
MARKEL PRODUCTS
Item
Recessed Electric Wall-Mount Heater: 5,000W, 240V AC, Three Phase, 240V AC
Category
Large Recessed Electric Wall Heaters with Occupancy Sensor
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

MARKEL PRODUCTS
Manufacturer Part Number
K3455SD-GB
Type
Three Phase, 3-phase
AC
240V
Phase
Three
Voltage
240V AC
Grille Color
Bronze
Voltage, Phase
240V AC, 3-phase
Wattage Output
5,000W
Nominal Voltage - HVAC
240V AC
Programming Capability
Programmable with Optional Thermostat
Rough-In Dimensions - H x W x D
23-1/16 in x 14-1/4 in x 4-1/4 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MARKEL PRODUCTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARKEL PRODUCTS Recessed Electric Wall-Mount Heater (SKU 52YX43, MPN K3455SD-GB) is a large recessed electric wall heater with occupancy sensor, rated at 5,000W, 240V AC, three-phase. It features a bronze grille and rough-in dimensions of 23-1/16 in x 14-1/4 in x 4-1/4 in. The unit is programmable with an optional thermostat.

Frequently Asked Questions

What is the MARKEL PRODUCTS K3455SD-GB recessed wall heater used for?

The MARKEL PRODUCTS K3455SD-GB is a large recessed electric wall-mount heater designed for commercial or industrial spaces requiring 5,000W of heating. It is commonly used in warehouses, workshops, or large rooms where a permanent, wall-integrated heating solution with occupancy sensing is needed.

What are the specifications of the MARKEL PRODUCTS K3455SD-GB heater?

The MARKEL PRODUCTS K3455SD-GB is a 5,000W, 240V AC, three-phase recessed electric wall heater. It has a bronze grille, rough-in dimensions of 23-1/16 in x 14-1/4 in x 4-1/4 in, and is programmable with an optional thermostat. The unit includes an occupancy sensor for energy-efficient operation.

Where to buy the MARKEL PRODUCTS K3455SD-GB heater worldwide?

You can source the MARKEL PRODUCTS K3455SD-GB heater through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this model.

How to install the MARKEL PRODUCTS K3455SD-GB recessed wall heater?

Installation requires a recessed opening matching the rough-in dimensions of 23-1/16 in x 14-1/4 in x 4-1/4 in. Ensure the unit is connected to a 240V AC, three-phase power supply by a qualified electrician. Follow the manufacturer's manual for proper mounting and optional thermostat wiring.

Used in

Common applications for MARKEL PRODUCTS
Commercial warehouses — MARKEL heavy-duty fan-forced wall heaters (e.g., H3346T-BMS) for maintaining ambient temperature in large open spaces.
Hazardous industrial zones — MARKEL PHLA series portable heaters for temporary heating in areas with flammable atmospheres.
HVACR maintenance — MARKEL replacement ceiling heater elements (e.g., 25465003) for servicing existing wall and ceiling heater units.
Office buildings — MARKEL recessed wall heaters with occupancy sensors (e.g., K3455SD-GB) for zone heating in conference rooms and lobbies.
Manufacturing plants — MARKEL surface-mount cabinet heaters (e.g., F3346T-BMS-W) for spot heating near workstations or equipment.
Electrical rooms — MARKEL 6,000 W wall heaters (e.g., J3346T-BMS-W) for freeze protection and humidity control in enclosed spaces.

MARKEL PRODUCTS Products

3G Electric supplies MARKEL PRODUCTS large recessed electric wall heaters with occupancy sensor. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
MARKEL Recessed Electric Wall-Mount Heater: 5,000W, 208V AC, Three Phase, 208V AC, 3-phase, Bronze (MPN J3455SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 5,000W; Voltage, Phase: 208V AC, 3-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 208V AC; Brand: MARKEL; Phase: Three.
MARKEL
MARKEL Recessed Electric Wall-Mount Heater: 5,000W, 208V AC, Three Phase, 208V AC, 3-phase, Bronze (MPN J3455SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 5,000W; Voltage, Phase: 208V AC, 3-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 208V AC; Brand: MARKEL; Phase: Three.
MARKEL Recessed Electric Wall-Mount Heater: 5,000W, 208V AC, Single Phase, 208V AC, 1-phase, Bronze (MPN F3455SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 5,000W; Voltage, Phase: 208V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 208V AC; Brand: MARKEL; Phase: Single.
MARKEL
MARKEL Recessed Electric Wall-Mount Heater: 5,000W, 208V AC, Single Phase, 208V AC, 1-phase, Bronze (MPN F3455SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 5,000W; Voltage, Phase: 208V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 208V AC; Brand: MARKEL; Phase: Single.
MARKEL Recessed Electric Wall-Mount Heater: 5,000W, 277V AC, Single Phase, 277V AC, 1-phase, Bronze (MPN G3455SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 5,000W; Voltage, Phase: 277V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 277V AC; Brand: MARKEL; Phase: Single.
MARKEL
MARKEL Recessed Electric Wall-Mount Heater: 5,000W, 277V AC, Single Phase, 277V AC, 1-phase, Bronze (MPN G3455SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 5,000W; Voltage, Phase: 277V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 277V AC; Brand: MARKEL; Phase: Single.
MARKEL Recessed Electric Wall-Mount Heater: 4000 W, 208V AC, Single Phase, 208V AC, 1-phase, Bronze (MPN F3454SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 4000 W; Voltage, Phase: 208V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 208V AC; Brand: MARKEL; Phase: Single.
MARKEL
MARKEL Recessed Electric Wall-Mount Heater: 4000 W, 208V AC, Single Phase, 208V AC, 1-phase, Bronze (MPN F3454SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 4000 W; Voltage, Phase: 208V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 208V AC; Brand: MARKEL; Phase: Single.
MARKEL Recessed Electric Wall-Mount Heater: 4000 W, 208V AC, Three Phase, 208V AC, 3-phase, Bronze (MPN J3454SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 4000 W; Voltage, Phase: 208V AC, 3-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 208V AC; Brand: MARKEL; Phase: Three.
MARKEL
MARKEL Recessed Electric Wall-Mount Heater: 4000 W, 208V AC, Three Phase, 208V AC, 3-phase, Bronze (MPN J3454SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 4000 W; Voltage, Phase: 208V AC, 3-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 208V AC; Brand: MARKEL; Phase: Three.
MARKEL Recessed Electric Wall-Mount Heater: 3000 W, 480V AC, Three Phase, Bronze/Dark Brown (MPN P3325T-RP). Key specifications — Grille Color: Bronze; Programming Capability: Non-Programmable; Wattage Output: 3000 W; Rough-In Dimensions - H x W x D: 19-1/2 in x 14-1/8 in x 4 in; Nominal Voltage - HVAC: 480V AC; Brand: MARKEL; Phase: Three; Voltage: 480V AC.
MARKEL
MARKEL Recessed Electric Wall-Mount Heater: 3000 W, 480V AC, Three Phase, Bronze/Dark Brown (MPN P3325T-RP). Key specifications — Grille Color: Bronze; Programming Capability: Non-Programmable; Wattage Output: 3000 W; Rough-In Dimensions - H x W x D: 19-1/2 in x 14-1/8 in x 4 in; Nominal Voltage - HVAC: 480V AC; Brand: MARKEL; Phase: Three; Voltage: 480V AC.

More from MARKEL PRODUCTS

View all MARKEL PRODUCTS parts
MARKEL PRODUCTS Recessed Electric Wall-Mount Heater: 4000 W, 240V AC, Single Phase, 240V AC, 1-phase (MPN H3454SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 4000 W; Voltage, Phase: 240V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 240V AC; Brand: MARKEL PRODUCTS; Phase: Single.
MARKEL PRODUCTS
MARKEL PRODUCTS Recessed Electric Wall-Mount Heater: 4000 W, 240V AC, Single Phase, 240V AC, 1-phase (MPN H3454SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 4000 W; Voltage, Phase: 240V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 240V AC; Brand: MARKEL PRODUCTS; Phase: Single.
MARKEL PRODUCTS Recessed Electric Wall-Mount Heater: 5,000W, 240V AC, Single Phase, 240V AC, 1-phase (MPN H3455SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 5,000W; Voltage, Phase: 240V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 240V AC; Brand: MARKEL PRODUCTS; Phase: Single.
MARKEL PRODUCTS
MARKEL PRODUCTS Recessed Electric Wall-Mount Heater: 5,000W, 240V AC, Single Phase, 240V AC, 1-phase (MPN H3455SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 5,000W; Voltage, Phase: 240V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 240V AC; Brand: MARKEL PRODUCTS; Phase: Single.
MARKEL PRODUCTS Recessed Electric Wall-Mount Heater: 4000 W, 240V AC, Three Phase, 240V AC, 3-phase (MPN K3454SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 4000 W; Voltage, Phase: 240V AC, 3-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 240V AC; Brand: MARKEL PRODUCTS; Phase: Three.
MARKEL PRODUCTS
MARKEL PRODUCTS Recessed Electric Wall-Mount Heater: 4000 W, 240V AC, Three Phase, 240V AC, 3-phase (MPN K3454SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 4000 W; Voltage, Phase: 240V AC, 3-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 240V AC; Brand: MARKEL PRODUCTS; Phase: Three.
MARKEL PRODUCTS Recessed Electric Wall-Mount Heater: 4000 W, 277V AC, Single Phase, 277V AC, 1-phase (MPN G3454SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 4000 W; Voltage, Phase: 277V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 277V AC; Brand: MARKEL PRODUCTS; Phase: Single.
MARKEL PRODUCTS
MARKEL PRODUCTS Recessed Electric Wall-Mount Heater: 4000 W, 277V AC, Single Phase, 277V AC, 1-phase (MPN G3454SD-GB). Key specifications — Grille Color: Bronze; Programming Capability: Programmable with Optional Thermostat; Wattage Output: 4000 W; Voltage, Phase: 277V AC, 1-phase; Rough-In Dimensions - H x W x D: 23-1/16 in x 14-1/4 in x 4-1/4 in; Nominal Voltage - HVAC: 277V AC; Brand: MARKEL PRODUCTS; Phase: Single.