it is designed to assist in the pressure calibration for both fuel types

but the pilot and main valve must be purchased separately

Is this compatible with 24V control systems

Refer to the valve nameplate

the 8102111102 is specifically calibrated as a high gas pressure switch

Browning 1VP34X1/2 Sheave 326058-756 it is designed to assistThe Browning 1VP34X1 2 Sheave is a rugged, single groove variable pitch sheave designed for precise fan speed adjustments in commercial HVAC systems. Cast from high grade iron and dynamically balanced for vibration free operation, this sheave features a 1 2" fixed bore and a 3. 15" outside diameter. It provides a versatile 1. 7 3. 3 variable pitch range, allowing contractors to fine tune airflow requirements without replacing the entire drive.