The 35-605601-203 ignition board includes on-board LED diagnostics that flash specific fault codes

lead-free version of the original MMV-UT-M1 and MMV-UTnd-1 models

reducing amp draw and thermal stress

multi-application controller for modern hydronic systems

providing a setpoint range of 40-80 degrees F

Schneider Electric (Barber Colman) MK-6601 Proportional Control Refrigerant The 35-605601-203 ignition board includesThe Schneider Electric MK 6601 is a rugged 50 square inch pneumatic valve actuator designed for proportional control of valves requiring linear movement. Featuring a 3 8 psi spring range and a 1 2 inch nominal stroke, this spring return actuator ensures consistent positioning and reliable fail safe operation in HVAC systems. The unit is housed in a durable NEMA 1 enclosure, protecting internal components from environmental debris, while the 1 8" NPT