Orifices should be replaced if they show signs of physical damage

the HC37GE210 is engineered for continuous duty in demanding HVACR applications

Key Benefits Precision Air Shutter: Allows for fine-tuning of combustion air to achieve optimal flame characteristics and CO levels

ensuring a drop-in fit without field modifications on compatible Lennox and ABB-specified equipment

or differential air pressure in high-efficiency HVACR systems

Intermatic DTAV40E2 Timer R-407A Orifices should be replaced ifThe Intermatic DTAV40E2 is a professional grade electronic defrost timer designed for high demand commercial refrigeration applications. This auto voltage defrost control automatically adjusts between 120 240V 50 60Hz, eliminating the need for manual dip switch or pin settings and reducing installation errors. Built with a heavy duty 40A resistive contact rating and a 2 HP motor rating, it is engineered to manage air defrost, electric, or hot gas