this specific assembly is calibrated for natural gas water heaters only

Durability: Constructed to withstand the thermal cycling and corrosive environment characteristic of condensing heating systems

There is no functional or physical difference

The Copeland Comfort Control (Alco) 063414 Power Assembly is a high-performance TF-Series replacement component specifically engineered for R22 systems

this valve features an oversized 1-inch outlet to facilitate rapid volume expansion and ensure the 970

Carrier HH19ZA170 Switch 30067439-890 this specific assembly is calibratedThe 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