probes should be removed and cleaned annually to ensure the electronic signal remains unobstructed

If the signal is below 1

This HSI is engineered to operate seamlessly with 15

Robust Construction: Features Monel bellows and stainless steel components for resistance against corrosion in hydronic loops

Carrier LH33WZ019 Ignitor Assembly 319848-301 probes should be removed andThe Carrier LH33WZ019 Ignitor Assembly is a critical OEM replacement component designed for precise ignition sequences in Carrier, Bryant, and Payne gas fired furnaces. This hot surface ignitor (HSI) is engineered with high grade silicon carbide to withstand rapid thermal cycling and high temperature environments. It functions by reaching necessary ignition temperatures via electrical resistance before the gas valve opens, ensuring a reliable flame