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QMARK Recessed Electric Wall-Mount Heater: 3000 W/4000 W, 240/277V AC, Single Phase - Large Recessed Electric Wall Heaters
QMARKLarge Recessed Electric Wall Heaters

QMARK Recessed Electric Wall-Mount Heater: 3000 W/4000 W, 240/277V AC, Single Phase

The QMARK CWH3407F is a large recessed electric wall heater with a white grille, offering selectable wattage output of 3000 W or 4000 W. It operates on single-phase power at 240/277V AC and is non-programmable. The…

SKU 3G-OTH-63900

Brand
QMARK
Item
Recessed Electric Wall-Mount Heater: 3000 W/4000 W, 240/277V AC, Single Phase
Category
Large Recessed Electric Wall Heaters
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

QMARK
Manufacturer Part Number
CWH3407F
Type
Single Phase, White
AC
240/277V
Phase
Single
Voltage
240/277V AC
Grille Color
White
Voltage, Phase
240/277V AC, 1-phase
Wattage Output
3000 W/4000 W
Nominal Voltage - HVAC
240V AC
Programming Capability
Non-Programmable
Rough-In Dimensions - H x W x D
18-1/4 in x 14-5/16 in x 3-7/8 in

Technical Documents

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

Product Description

The QMARK CWH3407F is a large recessed electric wall heater with a white grille, offering selectable wattage output of 3000 W or 4000 W. It operates on single-phase power at 240/277V AC and is non-programmable. The unit has rough-in dimensions of 18-1/4 in x 14-5/16 in x 3-7/8 in.

Frequently Asked Questions

What is the QMARK CWH3407F recessed wall heater used for?

The QMARK CWH3407F is a large recessed electric wall heater designed for supplemental heating in commercial or residential spaces. It provides selectable 3000 W or 4000 W output on 240/277V AC single-phase power, making it suitable for lobbies, offices, or workshops where a flush-mounted, non-programmable heat source is needed.

What are the specifications of the QMARK CWH3407F?

The QMARK CWH3407F offers selectable wattage of 3000 W or 4000 W at 240/277V AC, single-phase. It has a white grille, rough-in dimensions of 18-1/4 in x 14-5/16 in x 3-7/8 in, and is non-programmable. The nominal voltage is 240V AC, and the manufacturer part number is CWH3407F.

Where to buy the QMARK CWH3407F worldwide?

You can source the QMARK CWH3407F 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 this heater to procurement teams and engineers internationally.

How to install the QMARK CWH3407F recessed wall heater?

Installation requires a properly sized rough-in opening matching the unit's dimensions (18-1/4 in x 14-5/16 in x 3-7/8 in). Ensure the electrical supply is 240/277V AC single-phase and the circuit is rated for the selected wattage. Follow local codes and the manufacturer's manual for secure mounting and wiring.

Used in

Common applications for QMARK
Warehouse heating — QMARK MUH-Pro series suspended unit heaters for large open spaces with 208/240 V or 480 V supply.
Commercial building lobbies — QMARK CDF557RE recessed ceiling panel heaters for discreet, fan-forced heating.
Industrial workshops — QMARK MUH154 standard suspended heater for 480 V, 3-phase applications requiring high heat output.
Retail storefronts — QMARK MUH107 wall-mounted heater for 277 V, 1-phase circuits in ceiling or wall installations.
Manufacturing facilities — QMARK MUH102-PRO with integrated controls for simplified installation in multi-zone heating systems.
Office partitions — QMARK QSF2424 mounting frame for surface-mounting 54UD25 heaters in areas with limited ceiling access.

QMARK Products

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

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Large recessed electric wall heater for single-phase 208/240V AC operation. Selectable wattage output of 3600 W or 4800 W. Non-programmable unit with white grille. Rough-in dimensions: 18-1/4 in x 14-5/16 in x 3-7/8 in. Suitable for primary or supplemental heating in commercial and industrial spaces such as warehouses, workshops, and large rooms
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