Fenwal 22-100000-540 Ignitor Sensor Els PW 17895 including both tri-state (floating) and

including both tri-state (floating) and proportional (0-10 VDC/4-20 mA) models

this relay provides an exact drop-in fit for legacy air handlers and furnace units

lightweight design allow for 1/4 inch female flare mounting directly to the high-side service port or Schrader valve

What causes this limit switch to trip prematurely

This orifice is suitable for R404A

Fenwal 22-100000-540 Ignitor Sensor Els PW 17895 including both tri-state (floating) andThe Fenwal 22 100000 540 Ignitor Sensor is a high performance silicon carbide igniter designed for precise ignition and flame sensing in gas fired heating systems. Engineered for durability, this hot surface ignitor utilizes a robust ceramic base and specialized terminal connections to ensure consistent performance in high temperature environments. As a critical HVAC replacement part, it is frequently utilized in commercial and industrial furnaces,