This 1/4" orifice is critical for technicians managing natural gas pressure regulation in residential

If you have identified shaft play or high-pitched squealing

using a compatible refrigerant thread sealant can provide an extra layer of protection against micro-leaks in high-vibration setups

The 370V AC rating offers robust overhead for residential and light commercial 208/230V circuits

this part is used extensively across the Johnson Controls family

Heil Quaker ICP 1174688 Muffler This 1/4" orifice is criticalThe Heil Quaker ICP 1174688 Muffler is a precision engineered OEM HVAC replacement part designed to mitigate discharge gas pulsations and mechanical vibration within the refrigerant circuit. Also identified by part numbers APD 1RB and PM25049 3 AC, this high pressure muffler is critical for maintaining the acoustic integrity and structural longevity of ICP condensing units and heat pumps. Utilizing a heavy duty steel construction, this refrigerant