Common Questions Is the 198799Z different from the 198799Z/U

The SP15132 is a complete gas valve assembly

Flexible Staging: Supports up to 3 heating and 2 cooling stages

This component is compatible with specific Series 3000 and Series 4000 valve configurations where chemical compatibility and temperature resistance are paramount for operational uptime

plastic tubing facilitates quick field connections

Daikin-McQuay 667715902 Transformer Refrigerant Common Questions Is the 198799ZThe Daikin McQuay 667715902 Transformer is a critical OEM replacement part designed for precision voltage regulation in commercial and residential HVAC systems. This step down control transformer features a 208 230V primary input and a 24V secondary output, delivering a robust 75VA capacity to power essential control circuits, contactors, and thermostats. Maintaining the integrity of the low voltage power supply is vital for protecting sensitive