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3G Electric
Robertshaw 40-158 Infinite Switch - Knobs, Handles & Wheels for HVACR Equipment
RobertshawKnobs, Handles & Wheels for HVACR Equipment

Robertshaw 40-158 Infinite Switch

Robertshaw Knobs, Handles & Wheels for HVACR Equipment. Specifications: Product Type: Infinite Switch.

SKU 3G-OTH-72756

Also listed as: 40158 · 40 158

Brand
Robertshaw
Item
40-158 Infinite Switch
Part Number
40-158
Category
Knobs, Handles & Wheels for HVACR Equipment
Available to Order
Also known as:40-158Robertshaw
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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

Robertshaw
Manufacturer Part Number
40-158
Product Type
Infinite Switch

Technical Documents

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

Product Description

Robertshaw Knobs, Handles & Wheels for HVACR Equipment. Specifications: Product Type: Infinite Switch.

Frequently Asked Questions

What is the Robertshaw 40-158 infinite switch used for?

The Robertshaw 40-158 infinite switch is used in HVACR equipment to control heating elements by varying power output. It is commonly applied in commercial ovens, ranges, and other electric heating appliances where precise temperature regulation is required.

What are the specifications of the Robertshaw 40-158?

The Robertshaw 40-158 is an infinite switch with manufacturer part number 40-158. It is classified under knobs, handles, and wheels for HVACR equipment. Key specs include product type infinite switch and part number 40-158. For detailed electrical ratings, consult the manufacturer datasheet.

Where to buy the Robertshaw 40-158 worldwide?

You can source the Robertshaw 40-158 infinite switch 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.

How to install the Robertshaw 40-158 infinite switch?

To install the Robertshaw 40-158, first disconnect power to the equipment. Remove the old switch by noting wire positions, then connect the new switch following the same wiring diagram. Secure the switch in the panel and restore power. Always follow OEM guidelines and local codes.

Used in

Common applications for Robertshaw
Commercial HVAC — Robertshaw RS10420T digital WiFi thermostat for programmable heat and cool control in office buildings
Furnace ignition — Robertshaw 41-230 universal hot surface ignitor for silicon carbide replacement in residential and light commercial furnaces
Airflow monitoring — Robertshaw 2374-509 adjustable air pressure switch for draft sensing in industrial burner systems
Gas-fired equipment — Robertshaw 1820-009 universal pilot assembly with thermopile for natural gas or LP water heaters and boilers
Vibration protection — Robertshaw 366A0 mechanical vibration switch for pump and compressor monitoring in industrial plants
OEM replacement — Robertshaw 41-428N direct spark igniter for Trane HVAC equipment requiring silicon nitride ignitors
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Robertshaw Products

3G Electric supplies Robertshaw knobs, handles & wheels for hvacr equipment. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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