REZNOR Blocked Flue Switch: Mfr Part # 121275
SKU 3G-OTH-99136
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Frequently Asked Questions
What is a REZNOR blocked flue switch used for?
A REZNOR blocked flue switch is a safety device that shuts down the heater if the flue becomes obstructed, preventing carbon monoxide buildup. It is used in commercial and industrial gas-fired heating systems to protect personnel and equipment from hazardous exhaust conditions.
What are the specifications of the REZNOR blocked flue switch 121275?
The REZNOR blocked flue switch, manufacturer part number 121275, is a replacement HVACR control designed for use in REZNOR heating equipment. It functions as a safety interlock that monitors flue pressure and interrupts burner operation when a blockage is detected.
Where to buy a REZNOR blocked flue switch 121275 worldwide?
3G Electric supplies the REZNOR blocked flue switch 121275 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this genuine REZNOR replacement part globally.
How to install a REZNOR blocked flue switch?
Install the REZNOR blocked flue switch in the flue gas stream per the heater's wiring diagram. Mount it securely, connect the pressure sensing tube, and verify electrical continuity. Always follow the manufacturer's instructions and local codes. Test operation after installation to ensure proper safety shutdown.
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Common applications for REZNORREZNOR Products
3G Electric supplies REZNOR replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
