Description
The Lennox 15M20 is an authentic OEM draft or pressure switch built for Lennox furnaces and rooftop units. Designed to open on a pressure drop of –0.10″ W.C., it monitors inducer airflow and prevents ignition if safe venting isn’t established. This SPST‑N.O. switch is factory‑matched and widely used across Lennox, Allied, Armstrong, Concord, Dukeane, Magic‑Pak, and other models.
Features:
- SPST N.O. Snap acting
- Normally Open Contact to Actuate at 0.10″ +/- 0.05 W.C. on Pressure Fall
- Contact Rating: 5 Amp Resistive @ 24VAC
- Fine silver contact material
Specifications:
- Product Height: 2.14 IN
- Product Width: 3.4 IN
- Type: Pressure Switch
- Diameter: 2.25 IN
- Gross Weight: 0.25 LB
- Amperage (AMPs): 5A
- Type: Pressure Switch
- Pressure Settings: Actuates at 0.10″ W.C.
- Additional Information: Contact Rating: 5 Amp Resistive at 24 VAC
- Configuration: SPST-N.O. Contact
