A functional Norton 271N replacement ignitor typically reads between 80 and 150 ohms at room temperature

Can I use this on a heat pump liquid line

What is the primary cause of diaphragm failure in these valves

Designed for high-efficiency dual-stage furnaces

Smith 100208308 Door Latch

Trane BAYSEN01ATEMPA Outdoor Sensor 319852-301 A functional Norton 271N replacementThe Trane BAYSEN01ATEMPA is a field installed wired remote outdoor sensor designed to provide accurate ambient air temperature data to compatible Trane and American Standard thermostats. Utilizing a 10K Ohm thermistor, this sensor enables critical system functions including dual fuel heat pump balance point control, outdoor temperature display, and automatic changeover. For professional installation, the BAYSEN01ATEMPA requires standard 18 AWG HVAC