The Carrier 28HQ400071 Condensate Pan is a critical OEM replacement part designed for horizontal-flow HVAC air handlers and evaporator coils

If your existing board is labeled HH84AA011

Compact Profile: The Style 49 body design fits into tight mechanical spaces where larger gauges or switches often interfere with piping

you must verify the specific 170-20 SB temperature rating

use a manometer to verify actual draft pressure meets the

Lochinvar & A.O. Smith 100208562 Outlet Sensor 326058-755 The Carrier 28HQ400071 Condensate PanMaintain the operational integrity of high efficiency hydronic systems with the Lochinvar & A. O. Smith 100208562 Outlet Sensor. This critical OEM replacement part is a 1 4" NPT outlet thermistor designed to provide precision temperature data to the Smart System control module. Engineered for Lochinvar Knight boilers and A. O. Smith Cyclone water heaters, this sensor monitors discharge water temperatures to prevent manual reset high limit (MRHL)