This low pressure switch monitoring component is engineered as a normally open (NO) safety device that closes upon detecting sufficient negative pressure from the venter motor

Whether you are performing a routine service or an emergency HVAC limit switch replacement

it is functionally identical to the TST2044 and TST2044K legacy models

The Conbraco 10-616-15 is a high-capacity ASME Section IV safety relief valve designed specifically for large-scale commercial hot water heating boilers and hydronic systems

The Lennox X0445 is a high-efficiency Healthy Climate replacement media filter designed for use in the PMAC-20C series air cleaner

Carrier P461-2904 Bearing Freon This low pressure switch monitoringThe Carrier P461 2904 Bearing is a heavy duty OEM replacement bearing engineered for high performance air handling and blower assemblies. Designed as a 1 3 16 inch bore bearing, this unit features a ball bearing cartridge housed within a two piece pressed steel pillow block, ensuring robust support for rotational shafts in commercial HVAC systems. The assembly includes a self aligning mechanism and an eccentric locking collar to maintain precise shaft