the fail-safe direction is determined by the mounting orientation on the shaft

Common Questions: How do I confirm the rotation of this wheel

This thermostatic expansion valve (TXV) is specifically engineered with a balanced port design to maintain consistent superheat even during varying head pressures

making it a reliable choice for BAS (Building Automation Systems) and chiller plant control applications where signal integrity is critical

for heavier-than-air gases like propane

Bard HVAC 8402-128BX Limit Switch 322838-753 the fail-safe direction is determinedDesigned for mission critical over temperature protection, the Bard HVAC 8402 128BX Limit Switch is a high reliability L220F 1shot limit switch engineered for forced air heating and air handling units. As a technical professional, you know that a "one shot" thermal link is the final line of defense; once the 220F threshold is reached, the circuit opens permanently to prevent catastrophic heat damage. This OEM replacement part is a direct, identical