Danfoss 034L0043 Valve 321702-401 the system should never be

the system should never be left running without a functional high pressure control

including older Heil Quaker models

it is designed to simultaneously switch three separate power lines

When dealing with intermittent ignition failures on Carrier or BDP units

With its 48-inch capillary length and 3/16" x 11-3/16" sensing bulb

Danfoss 034L0043 Valve 321702-401 the system should never beThe Danfoss 034L0043 KVL 12 Crankcase Pressure Regulator is a critical mechanical valve designed to prevent compressor motor overload by limiting the suction pressure during and after defrost cycles or long standstill periods. Engineered with a 1 2" ODF solder connection, this KVL 12 regulator features a hermetic brazed construction and stainless steel bellows that provide accurate, adjustable pressure regulation regardless of inlet side variations.