In a typical two-wire 4-20 mA configuration

The York S1-025-27773-700 Flame Sensor is a critical OEM component designed for precise flame rectification in high-efficiency York gas furnaces and HVAC units

Steam and Vacuum Rated: Engineered to withstand 250 psig of saturated steam and vacuum pressures

It is significantly larger than a 13/32" x 1-1/2" Midget fuse and requires a 600V Class R fuse block

Rated for 40VA pilot duty and capable of handling up to 7

Belimo G232B-M Valve 320819-301 In a typical two-wire 4-20The Belimo G232B M is a professional grade 1 1 4 inch NPT globe valve designed for precise flow control in demanding hydronic systems. Featuring a rugged bronze body and durable brass trim, this 2 way globe valve is engineered for high performance chilled or hot water applications. With a 20 Cv flow coefficient and a modified equal percentage flow characteristic, it ensures stable modulating control even under fluctuating pressure conditions. The stem