When using the Rheem-Ruud 68-21016-01

selecting the correct orifice diameter is essential to match the specific capacity requirements of the burner or furnace

This part is specifically validated for the VP513 and VP517 series

While primarily a York/Johnson Controls part

Sensus 143-62-021-22 Spring When using the Rheem-Ruud 68-21016-01The Sensus 143 62 021 22 Spring is a critical OEM replacement part engineered for the Sensus 143 80 series domestic service regulators. This black white color coded spring provides a precise outlet pressure range of 0. 5 to 2 PSIG, making it essential for natural gas and propane applications requiring intermediate pressure control in residential or small commercial settings. As a genuine Sensus gas division component, it ensures the internal orifice