Danfoss BCP2L low-pressure safety limiter for steam and hot-water boilers, genuine OEM code number 017B0058. Dedicated pressure switch for safety and pressure monitoring of boiler plant; fail-safe dual-bellows sensing element gives premature cut-out on a fault. Regulation (setting) range 0 bar to 2.5 bar (Pe), differential fixed 0.2 bar. Single-pole changeover (SPDT) snap-action microswitch with manual (min) reset. Locks out on falling pressure and requires a deliberate manual reset (by tool) once the fault is cleared — the min-reset safety-limiter function for low-pressure/low-water protection of steam and hot-water boilers. G½A male pressure connection (ISO 228-1); DIN 43650-A / EN 175301-803 plug, Pg 11; IP65 enclosure. Media steam, water or air; media temperature up to 120 °C (fit a water-filled siphon above 120 °C); ambient -20 °C to 70 °C. Max. working pressure 10 bar (145 psig), test 11 bar, burst 15 bar. Fail-safe to SIL 2 (IEC 61508). PED 2014/68/EU category IV safety equipment, TÜV component-tested (test basis EN 12952-11 / EN 12953-9). EAN 5702423248179.