Description
Can I clean this sensor instead of replacing it
There is no functional or physical difference
this valve features an oversized 1-inch outlet to facilitate rapid volume expansion and ensure the 970
This kit resolves "stuck open" issues by replacing the armature spring and clearing the pilot orifice
Can I use this TXV to replace a fixed orifice or piston
Carrier HH19ZA170 Switch 30067439-890 Can I clean this sensorThe Carrier HH19ZA170 is a high limit HVAC temperature safety switch engineered for critical thermal protection in residential and commercial furnaces. As a genuine OEM replacement part, this 170 degree limit switch is calibrated to effectively interrupt the heating cycle if the internal plenum temperature reaches its thermal cutout threshold of 170F. The HH19ZA170 limit switch serves as a mandatory safeguard, preventing heat exchanger damage and
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























