Packard PM43440 Transformer this sensor is commonly used

this sensor is commonly used in units branded under Heil

This is an O-ring style Rotalock seal

For service technicians and mechanical contractors

It is not intended for use with metal-cover industrial controls

Packard PM43440 Transformer this sensor is commonly usedThe Packard PM43440 is a versatile 40VA Class II control transformer engineered for reliable performance in demanding HVACR applications. Designed for maximum field flexibility, this multi tap transformer features primary voltage inputs of 120V, 208V, and 240V, making it a "truck stock" essential for residential and commercial service calls. The secondary side provides multiple output options at 24V, 12V, and 2. 5V via standard wire leads, allowing