While the actuator itself can be removed by loosening the set screw

The nominal resistance is 1

This specific model is calibrated for R-22

Universal Compatibility: Directly replaces BASO K16BA-60H and is interchangeable with many specialized standing pilot systems

Weil McLain 510-811-655 Valve Kit R-410A While the actuator itself canThe Weil McLain 510 811 655 Valve Kit is a field proven combination gas control valve engineered for step opening ignition sequences in high efficiency hydronic systems. This 1 2" x 1 2" NPT natural gas valve provides precise pressure regulation, operating from a 0. 9" W. C. low fire setting up to a 3. 5" W. C. high fire output. Designed for compatibility with various Weil McLain boiler parts, this replacement gas valve ensures stable manifold