The 0556036 is the lead-free version (LF) required for most modern potable water installations

this board is specific to certain International Comfort Products and GREE outdoor units

it ensures proper viscosity and immediate lubrication upon startup

Direct OEM Fit: Drop-in compatibility with Lochinvar 100133618 and A

extending service life in demanding climates

Aprilaire 5455 Temperature Sensor 320819-301 The 0556036 is the lead-freeThe Aprilaire 5455 is a critical low temperature sensor designed to maintain the integrity and efficiency of your dehumidification system. As a genuine OEM sensor, it provides precise monitoring of coil temperatures to prevent frost buildup and component damage. This Aprilaire sensor replacement is engineered specifically for compatibility with high capacity models, ensuring that HVAC freeze protection protocols are active when temperatures drop. By