By accurately monitoring outdoor temperatures

Designed with a robust 5-inch diameter steel shell

which is critical for consistent thermocouple heating and rapid main burner ignition

it provides the 120V HSI ignition required for the 20-second pre-purge cycles standard in Laars Pennant (PNCH/PNCV) and MightyTherm2 series units

Honeywell M7284A1004 Motor R-134A By accurately monitoring outdoor temperaturesThe Honeywell M7284A1004 is a heavy duty Modutrol IV Motor engineered for modulating control in commercial combustion and HVAC systems. Operating on 120Vac, this non spring return actuator delivers a robust 150 lb in torque, ensuring reliable positioning for dampers and valves. The unit accepts a standard 4 20 mA control signal and features a field adjustable stroke ranging from 90 to 160 degrees, arriving with a 90 degree factory stroke setting.