Lennox 48M39 Stand Off Kit 318973-401 Universal Source1 Fitment: Designed as

Universal Source1 Fitment: Designed as a direct drop-in for York

features a high-surface-area matrix blended fiber media to ensure a low pressure drop and maximum service life

Professional Construction: Heavy-duty screw terminals and a 3-pole configuration ensure secure electrical control for three-phase power distribution

What models can the ST9120U1011 replace

By replacing these components during seasonal maintenance

Lennox 48M39 Stand Off Kit 318973-401 Universal Source1 Fitment: Designed asAs a technician, you know that maintaining precise clearance is non negotiable for system reliability. The Lennox 48M39 Stand Off Kit is a genuine OEM component engineered to provide essential spacing, specifically for mounting HVAC pressure switches and critical sensors within the cabinet. This kit (often cross referenced as LB 101753A) ensures that components are positioned correctly to prevent interference and maintain accurate pressure readings,