Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
MARKEL PRODUCTS T5122 Electric Wall & Ceiling Heater Thermostat - Thermostats for Electric Wall & Ceiling Heaters
MARKEL PRODUCTSThermostats for Electric Wall & Ceiling Heaters

MARKEL PRODUCTS T5122 Electric Wall & Ceiling Heater Thermostat

The MARKEL PRODUCTS Electric Wall & Ceiling Heater Thermostat (MPN T5122) is a unit-mount thermostat for electric wall and ceiling heaters. It features a mechanical selector dial with a control range of 40° to 100°F…

SKU 3G-OTH-63847

Also listed as: T 5122 · T-5122

Brand
MARKEL PRODUCTS
Item
T5122 Electric Wall & Ceiling Heater Thermostat
Category
Thermostats for Electric Wall & Ceiling Heaters
Available to Order
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

MARKEL PRODUCTS
Manufacturer Part Number
T5122
Type
40° to 100°F
AC
125V
Voltage
125V AC
Includes
Remote Capillary Temperature Sensor
Product Type
Electric Wall & Ceiling Heater Thermostat
Mounting Type
Unit Mount
Contact Rating
24V AC
Thermostat Control Type
Mechanical Selector Dial
Thermostat Control Range
40° to 100°F

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 Electric Wall & Ceiling Heater Thermostat (MPN T5122) is a unit-mount thermostat for electric wall and ceiling heaters. It features a mechanical selector dial with a control range of 40° to 100°F, operates at 125V AC, and has a contact rating of 24V AC. This thermostat includes a remote capillary temperature sensor.

Frequently Asked Questions

What is the MARKEL PRODUCTS T5122 thermostat used for?

The MARKEL PRODUCTS T5122 is a unit-mount thermostat designed to control electric wall and ceiling heaters. It uses a mechanical selector dial to adjust temperature from 40° to 100°F, and includes a remote capillary sensor for accurate sensing. 3G Electric supplies this thermostat for industrial heating applications worldwide.

What are the specifications of the MARKEL PRODUCTS T5122 thermostat?

The MARKEL PRODUCTS T5122 thermostat has a control range of 40° to 100°F, operates at 125V AC, and has a contact rating of 24V AC. It features a mechanical selector dial, unit-mount design, and includes a remote capillary temperature sensor. 3G Electric sources this thermostat for global delivery.

Where to buy the MARKEL PRODUCTS T5122 thermostat worldwide?

3G Electric supplies the MARKEL PRODUCTS T5122 thermostat to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this unit-mount electric heater thermostat with remote capillary sensor.

How to install the MARKEL PRODUCTS T5122 thermostat?

Install the MARKEL PRODUCTS T5122 thermostat by mounting it directly on the heater unit. Connect the 125V AC supply and 24V AC control wiring per the manufacturer's diagram. Position the remote capillary sensor in the heated space for accurate temperature sensing. 3G Electric provides sourcing support for this thermostat.

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 thermostats for electric wall & ceiling heaters. 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 →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Unit-mount thermostat for electric wall and ceiling heaters. Mechanical selector dial adjusts temperature from 45° to 95°F. Rated 22A at 120-277V AC, single-pole, 208/240/277V AC. Includes mounting hardware
QMARK
Unit-mount thermostat for electric wall and ceiling heaters. Mechanical selector dial adjusts temperature from 45° to 95°F. Rated 22A at 120-277V AC, single-pole, 208/240/277V AC. Includes mounting hardware
This unit-mount thermostat from QMARK is designed for electric wall and ceiling heaters. It features a mechanical selector dial with a control range of 40°F to 90°F and operates on 120/208/240/277V AC. The DPDT switch provides two-pole control for reliable temperature regulation
QMARK
This unit-mount thermostat from QMARK is designed for electric wall and ceiling heaters. It features a mechanical selector dial with a control range of 40°F to 90°F and operates on 120/208/240/277V AC. The DPDT switch provides two-pole control for reliable temperature regulation
This large recessed electric wall heater delivers 4000 W of heating power at 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 includes an occupancy sensor and is programmable with an optional thermostat. Suitable for commercial or industrial spaces requiring permanent wall-integrated heating
MARKEL PRODUCTS
This large recessed electric wall heater delivers 4000 W of heating power at 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 includes an occupancy sensor and is programmable with an optional thermostat. Suitable for commercial or industrial spaces requiring permanent wall-integrated heating
This large recessed electric wall heater from MARKEL PRODUCTS delivers 5,000W of heating power at 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 and includes an occupancy sensor. Suitable for commercial or industrial spaces requiring permanent wall-integrated heating
MARKEL PRODUCTS
This large recessed electric wall heater from MARKEL PRODUCTS delivers 5,000W of heating power at 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 and includes an occupancy sensor. Suitable for commercial or industrial spaces requiring permanent wall-integrated heating
This large recessed electric wall heater delivers 5000W of heating at 240V AC, single-phase. It features a bronze grille and includes an occupancy sensor for energy-efficient operation. The unit is programmable with an optional thermostat. Rough-in dimensions are 23-1/16 x 14-1/4 x 4-1/4 inches. Suitable for commercial or industrial spaces requiring supplemental heating
MARKEL PRODUCTS
This large recessed electric wall heater delivers 5000W of heating at 240V AC, single-phase. It features a bronze grille and includes an occupancy sensor for energy-efficient operation. The unit is programmable with an optional thermostat. Rough-in dimensions are 23-1/16 x 14-1/4 x 4-1/4 inches. Suitable for commercial or industrial spaces requiring supplemental heating
This large recessed electric wall heater delivers 4000 W at 240V AC, single-phase, and includes an occupancy sensor for energy-efficient operation. 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. Suitable for heating commercial or industrial spaces
MARKEL PRODUCTS
This large recessed electric wall heater delivers 4000 W at 240V AC, single-phase, and includes an occupancy sensor for energy-efficient operation. 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. Suitable for heating commercial or industrial spaces

More from MARKEL PRODUCTS

View all MARKEL PRODUCTS parts →
Unit-mount thermostat for electric wall and ceiling heaters. Features a mechanical selector dial with a control range of 40° to 110°F and a contact rating of 24 to 277V AC. Includes a remote capillary temperature sensor for accurate temperature sensing
MARKEL PRODUCTS
Unit-mount thermostat for electric wall and ceiling heaters. Features a mechanical selector dial with a control range of 40° to 110°F and a contact rating of 24 to 277V AC. Includes a remote capillary temperature sensor for accurate temperature sensing
Unit-mount thermostat for electric wall and ceiling heaters. Mechanical selector dial adjusts temperature from 40° to 120°F. Operates on 120 to 277V AC with a contact rating of 24 to 277V AC. Includes wire leads for installation
MARKEL PRODUCTS
Unit-mount thermostat for electric wall and ceiling heaters. Mechanical selector dial adjusts temperature from 40° to 120°F. Operates on 120 to 277V AC with a contact rating of 24 to 277V AC. Includes wire leads for installation