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3G Electric
MARKEL 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 Large Recessed Electric Wall Heater with Occupancy Sensor

The MARKEL G3455SD-GB is a 5,000W large recessed electric wall-mount heater with occupancy sensor, operating on 277V AC single-phase power. It features a bronze grille and is programmable with an optional thermostat…

SKU 3G-OTH-64099

Also listed as: G3455SDGB · G3455SD GB

Brand
MARKEL
Item
Large Recessed Electric Wall Heater with Occupancy Sensor
Part Number
G3455SD-GB
Category
Large Recessed Electric Wall Heaters with Occupancy Sensor
Available to Order
Also known as:G3455SD-GBMARKEL
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

MARKEL
Manufacturer Part Number
G3455SD-GB
Type
Single Phase, 1-phase, Bronze
AC
277V
Phase
Single
Voltage
277V AC
Grille Color
Bronze
Voltage, Phase
277V AC, 1-phase
Wattage Output
5,000W
Nominal Voltage - HVAC
277V 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

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

Product Description

The MARKEL G3455SD-GB is a 5,000W large recessed electric wall-mount heater with occupancy sensor, operating on 277V AC single-phase power. It features a bronze grille and is programmable with an optional thermostat. The unit's 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 G3455SD-GB recessed electric wall heater used for?

The MARKEL G3455SD-GB is a large recessed electric wall-mount heater designed for commercial or industrial spaces requiring supplemental heating. It delivers 5,000W on 277V AC single-phase power and includes an occupancy sensor for energy efficiency. The bronze grille suits aesthetic applications in lobbies, corridors, or meeting rooms.

What are the specifications of the MARKEL G3455SD-GB heater?

The MARKEL G3455SD-GB operates at 5,000W, 277V AC, single-phase. 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 and is designed for recessed wall-mount installation.

Where to buy the MARKEL G3455SD-GB heater worldwide?

You can source the MARKEL G3455SD-GB 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; we supply genuine MARKEL products to procurement teams and plant engineers internationally.

How to install the MARKEL G3455SD-GB recessed wall heater?

Install the MARKEL G3455SD-GB by framing a rough opening matching its dimensions (23-1/16 in x 14-1/4 in x 4-1/4 in) in a wall cavity. Connect to a dedicated 277V AC single-phase circuit. Secure the heater housing, attach the bronze grille, and wire the optional thermostat per local codes. 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
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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.

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