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Industrial Durability: Rugged cast iron body construction withstands high-demand commercial environments
This model includes trimmable stainless steel paddles to match specific pipe diameters from 1-1/4" to 16"
on-the-job adjustments to meet specific manufacturer draft specifications using a draft gauge
The unit comes factory-set for Natural Gas at a 3
this control is set to turn the compressor on at 20°F and off at 3°F
Lennox 20G51 Relay 318518-761 Industrial Durability: Rugged cast ironThe Lennox 20G51 Relay is a high performance 24V 3PDT relay engineered for precise circuit control in commercial and residential HVAC systems. Designed as a direct OEM Lennox replacement part, this triple pole double throw relay allows for the simultaneous management of three independent circuits, making it indispensable for complex switching logic where isolation between power sources or signal paths is required. Operating at a standard 24VAC control
