This furnace secondary coil is designed to handle corrosive condensate while maintaining optimal thermal transfer

it provides seamless compatibility with a wide range of ASCO 2-way

Compatibility depends on the specific power assembly and internal orifice sizing

Calibration is handled through the technician-level setup menu

the V47AA-1 is the manufacturer-designated direct cross-reference for the V47AA-18

ASCO AH4E112S4 Actuator 321894-709 This furnace secondary coil isThe ASCO AH4E112S4 Actuator is a high performance electro hydraulic linear actuator designed for demanding industrial and commercial burner applications. This Hydramotor actuator operates on 120Vac and features a sophisticated Low High Off control sequence, allowing for precise gas flow regulation. Engineered for efficiency, it boasts a fast opening time of 14 seconds maximum, ensuring rapid system response, while providing a critical safety shutoff