The pleated charcoal media provides a high surface-area-to-volume ratio

Integrating this 40 amp HVAC disconnect into your Bard system ensures compliance with manufacturer wiring diagrams and safety standards

Why is my furnace blower running constantly while the burners are off

technicians should replace these components at the start of every heating season

Simplified Wiring: Features a single pole

Lennox 24W49 Pressure Switch 318973-401 The pleated charcoal media providesThe Lennox 24W49 Pressure Switch is a critical safety component designed for specific Lennox furnace models to monitor the induced draft blower operation. This OEM Lennox replacement part, identified by part number 101021 04, is factory calibrated with a set point of 0. 70" WC PF 1. 05" WC. It ensures the combustion process is vented correctly before allowing the gas valve to energize. Built with a durable diaphragm and precise electrical contacts,