Reznor 201159 Pressure Switch 1.40 WC SPST Air Furnace Heater

The Reznor 201159 is a replacement pressure switch with a red label indicating a 1.40" water column (w.c.) operating pressure rating. This is a Honeywell-manufactured switch (model IS22140081L5051) featuring two wiring terminals and two hose ports. Designed for installations at elevations from 0 to 6000 feet.

Key Features:

• SPST (single pole, single throw) air pressure switch
• 1.40" w.c. operating pressure rating
• Red label for easy identification
• Two wiring terminals for electrical connections
• Two hose ports for pressure sensing
• UL approved for US and Canadian installations

This pressure switch is designed for Reznor UDAP 350 and UDAP 400 unit heaters manufactured prior to July 23, 2009. Alternate part numbers include RZ201159, H/W IS220, and 9375DS-0286. This component is a critical safety device that monitors air pressure within the heating system to ensure proper combustion and safe operation.