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TJERNLUND High Limit Switch: Mfr Part # 950-0640 - Replacement HVACR Controls, Switches & Thermostats
TJERNLUNDReplacement HVACR Controls, Switches & Thermostats

TJERNLUND High Limit Switch: Mfr Part # 950-0640

TJERNLUND Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: High Limit Switch.

SKU 3G-OTH-77708

Also listed as: 9500640 · 950 0640

Brand
TJERNLUND
Item
High Limit Switch: Mfr Part # 950-0640
Category
Replacement HVACR Controls, Switches & Thermostats
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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

TJERNLUND
Manufacturer Part Number
950-0640
Product Type
High Limit Switch

Technical Documents

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

Product Description

TJERNLUND Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: High Limit Switch.

Frequently Asked Questions

What is a TJERNLUND High Limit Switch used for?

A TJERNLUND High Limit Switch is a safety device used in HVAC systems to shut down equipment if temperatures exceed a safe threshold. It protects furnaces, boilers, and exhaust fans from overheating, preventing damage and fire hazards. This replacement part is critical for maintaining safe operation in residential and commercial heating applications.

What are the specifications of the TJERNLUND High Limit Switch 950-0640?

The TJERNLUND High Limit Switch, manufacturer part number 950-0640, is a replacement HVACR control classified as a high limit switch. It is designed to interrupt power when temperature limits are exceeded. For exact temperature ratings and electrical ratings, consult the product datasheet or contact 3G Electric for detailed specifications.

Where to buy a TJERNLUND High Limit Switch 950-0640 worldwide?

You can source the TJERNLUND High Limit Switch 950-0640 from 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 provide this replacement HVACR control to customers across multiple industries.

How to install a TJERNLUND High Limit Switch?

To install a TJERNLUND High Limit Switch, first disconnect power to the HVAC system. Remove the old switch, noting wiring connections. Mount the new switch in the same location, reconnect wires per the manufacturer's diagram, and restore power. Always follow local electrical codes and consult a qualified technician if unsure.

Used in

Common applications for TJERNLUND
Residential furnace venting — TJERNLUND GPAK1 pipe-mount draft inducer for natural gas furnaces with 4 in pipe
Oil heating exhaust — TJERNLUND RT750 roof-mount draft inducer for furnaces and oil heating, 8 in to 10 in pipe
LP water heater venting — TJERNLUND HS2 pipe-mount draft inducer with UC1 control for water heaters using LP fuel
Radon mitigation — TJERNLUND PVC4 inline duct fan for 4 in PVC ductwork, 80 cfm max, 115V AC
Vent termination — TJERNLUND VH1-6 wall cap vent hood for 6 in aluminum duct, with screen
Draft monitoring — TJERNLUND PS2501 adjustable air pressure switch for HVAC systems, 0.05 to 12 in wc range

TJERNLUND Products

3G Electric supplies TJERNLUND replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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