Maxitrol R11110-25 Spring The 310648 is functionally identical

The 310648 is functionally identical to the Honeywell 310648/U

Rugged Stainless Steel Construction: Built to withstand commercial chiller and boiler environments without degradation or scale buildup

This sweat connection elbow (C x C) provides a reliable

whereas plumbing standards use nominal sizing (5/8")

Maxitrol R11110-25 Spring The 310648 is functionally identicalWhen you are dealing with high capacity gas delivery, the Maxitrol R11110 25 Spring is the professional choice for field tuning RV110, RV111, and 210G Series Regulators. This 2 5" WC Plated Spring is specifically engineered to provide precise pressure regulation in Straight Thru Flow appliance regulators, ensuring the conical valve maintains an optimal flow pattern. By swapping out an existing spring for the R11110 25, you can calibrate your gas