CARRIER Auto Limit Switch: Mfr Part # HH18HA138
CARRIER Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Limit Control.
SKU 3G-OTH-79470
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
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Product Description
CARRIER Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Limit Control.
Frequently Asked Questions
What is the CARRIER HH18HA138 auto limit switch used for?
The CARRIER HH18HA138 auto limit switch is a replacement HVACR control used to monitor and limit temperature in heating systems. It automatically resets after the temperature drops, protecting equipment from overheating. Common in residential and commercial furnaces, it ensures safe operation by interrupting the circuit when a preset temperature is exceeded.
What are the specifications of the CARRIER HH18HA138 limit switch?
The CARRIER HH18HA138 is a limit control with manufacturer part number HH18HA138. It is an auto-reset switch designed for HVACR applications. Specific temperature ratings and electrical ratings are not listed in the provided context; consult the product datasheet for exact values. It is a direct replacement for compatible Carrier systems.
Where to buy the CARRIER HH18HA138 limit switch worldwide?
You can source the CARRIER HH18HA138 auto limit switch worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this replacement HVACR control.
How to install the CARRIER HH18HA138 auto limit switch?
To install the CARRIER HH18HA138 limit switch, first disconnect power to the HVAC system. Remove the old switch and note wiring connections. Mount the new switch in the same location, typically in the furnace plenum. Reconnect wires per the wiring diagram, then restore power and test operation. Always follow local codes and manufacturer guidelines.
Used in
Common applications for CARRIERCARRIER Products
3G Electric supplies CARRIER replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
