The Maxitrol R8110‑412 is a replacement violet‑coded range spring designed to provide a calibrated outlet pressure of 4 to 12 inches Water Column (W.C.). It’s compatible with RV81, 210D, and 325‑7 series gas regulators. This precision spring lets you fine-tune regulator performance for stable, accurate gas flow control.
Specifications:
- Color: Violet
- Used With: RV81 Series, 210D Series
- Spring Range: 4″ – 12″
