Direct Fit: Standardized 1/2 HP 230V motor chassis ensures no modifications are needed for mounting

Engineered specifically for the Lochinvar BTH series (models 150

Fail-Safe Operation: The normally open (push-down-to-close) configuration ensures critical heating or cooling flow remains active during pneumatic pressure failure

Plug-and-Play Wiring: Utilizes a molex-style polarized connector to reduce field mistakes during HVAC installation

What is included in the 99251 conversion kit

Trane MOT17981 Motor 319848-301 Direct Fit: Standardized 1/2 HPThis Trane MOT17981 Motor is a high performance, three phase condenser fan motor engineered for demanding commercial and industrial HVACR applications. Operating on a 208 230V electrical supply at 60Hz, this 1 2 HP motor delivers a consistent 1100 RPM output (referenced as 1140 RPM in some vertical configurations). Designed as a genuine OEM replacement part, it ensures precise mechanical compatibility with Trane systems, maintaining original equipment