Direct Compatibility: Engineered specifically for Laars Mighty Therm2 MT2H and MT2V models to eliminate installation guesswork

an additional ZZONEEXPAC52ZB expander is required

which is essential for managing economizer staging

we recommend using a 1/2" NPT air purge or "y" tap to keep the line of sight clear and the sensor cool

The MRGPP configuration typically includes the factory-installed duct probe for direct duct mounting

R-454B (XL41) 20 Lbs Refrigerant Virgin New Factory Sealed Gas 318973-401 Direct Compatibility: Engineered specifically forFor technicians transitioning to next generation systems, this 20 lbs R 454B refrigerant (XL41) cylinder provides a 100% virgin factory sealed solution for new residential and light commercial installs. Classified as an A2L mildly flammable refrigerant, R 454B is the primary low GWP replacement for R 410A, featuring a Global Warming Potential of 466 to meet EPA AIM Act compliance. This blend of R 32 and R 1234yf is engineered for use in systems