the HK28UZ300 serves as a direct Carrier HK28UZ300A replacement

verifying the rotation and pitch is essential to maintain the correct CFM and prevent motor overheating

Complete Installation Kit: Includes the 331709-797 TXV

Key Benefits: Factory-Correct Specifications: Precisely matches the Aaon R55380 engineering standards for terminal fit and wire gauge

Variable Pitch Control: Allows for precise RPM adjustments to match the design CFM of the ventilation system

Lochinvar & A.O. Smith 100376494 Gauge 340155-7026 the HK28UZ300 serves as aThe Lochinvar & A. O. Smith 100376494 is a professional grade Temperature & Pressure (T&P) Gauge designed for precise monitoring in high demand hydronic and potable water systems. As the direct OEM replacement for the discontinued 100208153, this commercial water heater gauge provides critical real time diagnostics to ensure safe boiler operation. Featuring a dual scale interface, it delivers accurate pressure readings from 0 75 PSI and temperature