EXW Singapore — collect or forward from our Singapore office.

3G Electric
MARKEL J3455SD-GB Large Recessed Electric Wall Heater with Occupancy Sensor - Large Recessed Electric Wall Heaters with Occupancy Sensor
MARKELLarge Recessed Electric Wall Heaters with Occupancy Sensor

MARKEL J3455SD-GB Large Recessed Electric Wall Heater with Occupancy Sensor

The MARKEL J3455SD-GB is a large recessed electric wall-mount heater with occupancy sensor, rated at 5,000W and 208V AC, three-phase. It features a bronze grille and is programmable with an optional thermostat…

SKU 3G-OTH-64039

Also listed as: J3455SDGB · J3455SD GB

Brand
MARKEL
Item
J3455SD-GB Large Recessed Electric Wall Heater with Occupancy Sensor
Part Number
J3455SD-GB
Category
Large Recessed Electric Wall Heaters with Occupancy Sensor
Available to Order
Also known as:J3455SD-GBMARKEL
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MARKEL
Manufacturer Part Number
J3455SD-GB
Type
Three Phase, 3-phase, Bronze
AC
208V
Phase
Three
Voltage
208V AC
Grille Color
Bronze
Voltage, Phase
208V AC, 3-phase
Wattage Output
5,000W
Nominal Voltage - HVAC
208V 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

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
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARKEL J3455SD-GB is a large recessed electric wall-mount heater with occupancy sensor, rated at 5,000W and 208V AC, three-phase. It features a bronze grille and is programmable with an optional thermostat. Rough-in dimensions are 23-1/16 in x 14-1/4 in x 4-1/4 in.

Frequently Asked Questions

What is the MARKEL J3455SD-GB recessed electric wall-mount heater used for?

The MARKEL J3455SD-GB is a large recessed electric wall-mount heater designed for commercial or industrial spaces requiring 5,000W of heating. It is suitable for areas like warehouses, workshops, or lobbies where a permanent, flush-mounted heating solution with occupancy sensing is needed.

What are the specifications of the MARKEL J3455SD-GB heater?

The MARKEL J3455SD-GB is a 5,000W, 208V AC, three-phase heater with a bronze grille. It is programmable with an optional thermostat and has rough-in dimensions of 23-1/16 in x 14-1/4 in x 4-1/4 in. The unit includes an occupancy sensor for energy-efficient operation.

Where to buy the MARKEL J3455SD-GB heater worldwide?

You can source the MARKEL J3455SD-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 J3455SD-GB recessed wall heater?

Installation requires a rough-in opening matching the dimensions of 23-1/16 in x 14-1/4 in x 4-1/4 in. Ensure the 208V AC, three-phase power supply is disconnected before wiring. Follow local electrical codes and use the optional thermostat for programming. Always consult a licensed electrician.

Used in

Common applications for MARKEL
Commercial building heating — Markel suspended unit heaters (e.g., 5115CA1NP3P) for wall or ceiling mounting in open spaces
Institutional restrooms — Markel large recessed wall heaters with occupancy sensors (e.g., G3455SD-GB) for intermittent heating
Industrial maintenance — Markel unit-mounted disconnect switches (e.g., DCS403/5100) for local power isolation during service
Warehouse freeze protection — Markel fan-forced unit heaters on 480 V AC 3-phase power for large-volume spaces
Office or retail retrofit — Markel recessed wall heaters with bronze grille and programmable thermostat option
Manufacturing facility — Markel three-phase recessed heaters (e.g., J3455SD-GB) for zoned electric heating
Not sure this is the right part? Photo-identify it→

MARKEL Products

3G Electric supplies MARKEL 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 →

More from MARKEL

View all MARKEL parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first