Featuring a 10x10x5/8 inch configuration

Always verify the 48Y frame and 115V requirements against your unit's data plate

ensure the actual size matches the cabinet rails before sliding the new cartridge into place to avoid air bypass

It is physically and functionally identical to PLT2904 and PLT2904K

Can the 8221G3 be used for steam applications

Reznor 207178 Pressure Switch 319852-301 Featuring a 10x10x5/8 inch configurationWhen you're troubleshooting a Reznor unit and the burner refuses to fire, the Reznor 207178 Pressure Switch is often the first place to check. This 0. 20" WC pressure switch is a critical safety component designed to verify that the inducer motor is creating the proper negative pressure before allowing the ignition sequence to proceed. As a genuine Reznor OEM replacement part, it ensures your heating equipment maintains factory spec safety standards