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and elbows without the need for additional fasteners or adhesives
reliable operation throughout the heating season
the Teflon non-stick material is chemically compatible with standard HFCs and HCFCs
High-Temperature Durability: Includes TFE with Hypalon seals suitable for saturated steam and high-heat applications up to 450°F
this SPST (Single Pole Single Throw) switch provides the exact calibration required for high-duty cycle environments
Reznor 121275 Block and elbows without the needThe Reznor 121275 Stack Flue Block is a high limit safety component engineered specifically as an Energy Cutout Device (ECO) for commercial and industrial gas fired heating units. Designed to monitor the integrity of the ventilation system, this blocked vent switch acts as a critical failsafe by measuring exhaust temperatures at the flue. If the sensor detects a restriction, backflow, or overheating condition where temperatures reach the 275F trip