What is the difference between a 56HZ and a standard 56 frame

0A at various standard voltages

This switch is rated for a maximum resistive load of 15 Amps at 240V AC for ambient temperatures up to 200°F (93°C)

it ensures seamless integration with the LFRK909M1-RV series

The high-pressure side provides an adjustable setpoint range of 2-16" WC

Carrier 345606-75101 Circuit Board 320074-702 What is the difference betweenThe Carrier 345606 75101 Control Board is a critical OEM replacement part engineered for high performance management of furnace and air handler operations. This printed circuit board (PCB) serves as the systems central logic hub, coordinating the blower motor, ignition sequence, and thermostat communication to ensure precise climate regulation. Designed for Carrier, Bryant, and Payne equipment, this factory authorized component replaces aging or