L.B. WHITE Air Proving Assembly: Mfr Part # 500-06739
SKU 3G-OTH-81933
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Frequently Asked Questions
What is the L.B. WHITE Air Proving Assembly 500-06739 used for?
The L.B. WHITE Air Proving Assembly (part 500-06739) is a sail switch used in HVACR and combustion systems to verify airflow or exhaust flow. It ensures safe burner operation by proving air movement before ignition, preventing unsafe conditions in heaters, furnaces, and boilers.
What are the specifications of the L.B. WHITE 500-06739 switch?
The L.B. WHITE 500-06739 is a Switch Sail type air proving assembly. Its manufacturer part number is 500-06739. This replacement HVACR control is designed for use in combustion and heating equipment where airflow verification is critical for safe operation.
Where to buy the L.B. WHITE 500-06739 air proving assembly worldwide?
3G Electric supplies the L.B. WHITE 500-06739 air proving assembly to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this genuine replacement sail switch for your HVACR system.
How to install the L.B. WHITE 500-06739 sail switch?
Install the L.B. WHITE 500-06739 sail switch in the duct or flue where airflow must be proven. Mount it securely, connect the electrical leads per the wiring diagram, and adjust the sail position if needed. Always follow the equipment manufacturer's instructions and local codes for safe installation.
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Common applications for L.B. WHITEL.B. WHITE Products
3G Electric supplies L.B. WHITE replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













