or the unit cycling frequently due to high limit trips

Does this require special calibration

This specific model is a Counter-Clockwise (CCW) rotation unit

a different SPEC number is needed

balanced ported valve engineered specifically for demand-heavy refrigeration

Laars Heating Systems L0032200 Orifice R-22 or the unit cycling frequentlyThe Laars Heating Systems L0032200 is an OEM spec #43 natural gas orifice engineered for precision fuel delivery in high efficiency boilers and hydronic heating systems. Specifically calibrated for natural gas applications, this brass gas orifice ensures the correct stoichiometric ratio for optimal combustion within the burner tray assembly. As a veteran preferred HVAC replacement part, it is designed to maintain consistent manifold pressure and