Resideo V8043B1019 Valve 324846-701 This genuine replacement pressure switch

This genuine replacement pressure switch is engineered for high-recovery commercial water heaters and high-efficiency boilers

specifically crossing CS4AN02A24 and CS4AF02A18

or clogged with moisture

If the compressor is not engaging despite a call for cooling

Resideo V8043B1019 Valve 324846-701 This genuine replacement pressure switchThe Resideo V8043B1019 is a heavy duty, 2 way normally open zone valve designed for precision flow control in closed loop hydronic heating systems. Engineered with a 1 2" sweat connection, this motorized valve utilizes a 24VAC spring return actuator to ensure the valve reverts to its open position during power loss or thermostat signal interruption. Built for long term field reliability, the unit features a forged brass body, a stainless steel stem,