Furnace Vent Air Pressure Switch For Gas Furnaces 0.10 Inch Water Column OEM Replacement Part Durable OEM Grade Kit For DIY Friendly Draft Control Replaces Older S1 Style Numbers Model 32435972000 Compatible Easy Install

0.10 inch Water Column Furnace Pressure Switch Kit
✔️ OEM-grade 0.10 in WC pressure switch compatible with S1 legacy units

This pressure switch is a furnace vent control component used in gas furnaces to verify exhaust draft and safeguard operation. It replaces older S1-style numbers and is a DIY-friendly OEM-grade kit designed for compatibility with Conquest DGAA and similar series.

✅ Pressure rating: 0.10 in WC
✅ Replacement kit for OEM S1 style switches (replaces S1-32435972000 and related numbers)
✅ Compatible with DGAA056BDTB, DGAA070BDTB, DGAA077BDTB, DGAA090BDTB, DGAH056BBSB, DGAH077BBSB Conquest gas furnaces
✅ Black finish, durable OEM-grade construction

💡 What is a furnace vent air pressure switch used for in draft control? This handy device helps ensure safe operation by confirming proper vent pressure before ignition. - Monitors chimney draft to prevent backdrafts - Signals the furnace control to shut off gas if draft is lost or out of range - Serves as a handy, OEM-grade replacement for older S1-style switches