Reznor 43258 Restrictor 322838-752 The Lennox 75W15 is the

The Lennox 75W15 is the official catalog number used for the 102857-08 replacement part

the 14T66 provides the reliable 2-stage sensing needed to monitor combustion air accurately

Common Questions Is the EHWA05-A05B compatible with 460V systems

it is standard practice for HVAC technicians to store them in a cool

This specific range is commonly used for domestic water boosters

Reznor 43258 Restrictor 322838-752 The Lennox 75W15 is theThe Reznor 43258 Restrictor, specifically identified as the VNTR RESTRICTOR RPV225 5, is a precision engineered combustion air component designed for integration with high efficiency Reznor gas fired unit heaters. This OEM replacement part is critical for maintaining the correct stoichiometry within the combustion chamber, ensuring that gas to air ratios remain within factory specifications for the RPV225 series. Technicians often source this venturi