Industrial Grade Durability: Constructed to resist oxidation and thermal stress in high-demand HVACR systems

Can I use this tee with R410A systems

and PDP series

OEM Compatibility: Seamlessly replaces the discontinued 076243-030 without the need for additional gas train modifications

Designed for multi-refrigerant compatibility

Reznor 121275 Block Industrial Grade Durability: Constructed toThe 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