Velocity Boiler Works (Crown) 230125 Sensor 320788-703 The Tecumseh K90-21 Overload Protector

The Tecumseh K90-21 Overload Protector is a critical safety component designed for hermetic compressor motor protection

minimizing labor time during emergency service calls

The Omron G7L-1A-T-CB-AC120 Relay is a high-performance 30 Amp high capacity power relay engineered for demanding HVACR and industrial applications

making it suitable for larger boilers requiring high-volume safety relief

Velocity Boiler Works (Crown) 230125 Sensor 320788-703 The Tecumseh K90-21 Overload ProtectorThe Velocity Boiler Works 230125 Sensor is a critical Return NTC Sensor (TSD00BD) designed for precise thermal monitoring within high efficiency hydronic systems. As a genuine OEM replacement for Crown and Velocity Boiler Works units, this negative temperature coefficient sensor provides the high accuracy resistance feedback necessary for the control board to modulate firing rates and maintain narrow temperature differentials. Field technicians