Danfoss 067L5857 TR6 Expansion Valve 30067439-890 Precision Air Proving: Reliable detection
Baker’s notes & crumb story
Description
Danfoss 067L5857 TR6 Expansion Valve 30067439 890 Precision Air Proving: Reliable detection Precision Air Proving: Reliable detection of low pressure conditions to ensure safe combustion and proper ventilation ensuring the blower fan activates once the heat exchanger reaches 105°F and continues to dissipate residual heat until the plenum drops to 135°F