the 8210G56 model is engineered for zero-differential pressure applications

it features a linear response of approximately 3 ohms per degree Fahrenheit

the HN61KK070 is the official superseding part number and provides the exact same form and function

it maintains stable electrical continuity in mechanical rooms

Universal Compatibility: Fully approved for CFC

Carrier LH32RF129 Orifice 321702-401 the 8210G56 model is engineeredThe Carrier LH32RF129 is a precision engineered natural gas orifice designed for specific gas fired heating applications, including the 48KCFA and 48TCFA series rooftop units. As a critical OEM burner orifice, this component features a #30 spud size, accurately calibrated to regulate the manifold pressure and gas flow rate. Proper fuel to air ratios are essential for maintaining stable flame patterns and preventing hazardous conditions such as delayed