Lennox 11X74 Expansion Valve 319847-401 The unit includes a bias
Platform notes & fabric story
Description
Lennox 11X74 Expansion Valve 319847 401 The unit includes a bias The unit includes a bias adjustment capable of advancing or retarding the output by + 15 PSI making it a standard choice for modulating fuel air ratios or regulating airflow in large scale air handling units