ensuring the thermal exchange process remains efficient under heavy load

This typically indicates the Trane CNT3787 has tripped due to high plenum temperatures caused by a dirty filter

the control monitors the presence of the flame throughout the heating cycle

check the terminals while the system is at rest (and pressure is below 550 PSI)

Armstrong Fluid Technology 110223-321 Pump 326058-755 ensuring the thermal exchange processThe Armstrong Fluid Technology 110223 321 Pump, specifically the Astro 280SS model, is a high performance stainless steel circulator pump designed for efficiency in potable water and open loop heating systems. This 3 speed circulator pump operates at 115Vac, single phase, and features a maintenance free design with ceramic bearings and a ceramic shaft to ensure quiet, long lasting operation. With a maximum flow rate of 30 GPM and a maximum head of 31.