Standard HVAC refrigeration tools are sufficient

What are the symptoms of a failing 24V 25A contactor

Durability: Engineered to withstand common electrical surges and thermal stress in demanding 24V control circuit environments

575# Off rating mean

2-wire electrically operated shut-off valve designed for precise gas flow regulation in high-demand heating applications

Ranco V10-418140-170 Reversing Valve R-410A Standard HVAC refrigeration tools areThe Ranco V10 418140 170 Reversing Valve is a heavy duty 4 way pilot operated slider valve engineered for high capacity heat pump applications, including unitary and split systems. With a 10 ton nominal capacity, this valve provides high performance refrigerant flow control, supporting 3. 0 to 11. 2 tons for R22 systems and 3. 8 to 13. 5 tons for R410A systems. The 1 1 8" suction and 7 8" discharge connections feature copper tube extensions to