the on-board diagnostics include an LED indicator to identify fault codes

preventing the contactor from engaging until the full 300-second lockout period has elapsed

this model includes a manual trip function that allows a technician to manually actuate the contacts to verify the electrical circuit and contactor operation without needing to vent or charge the system

As a genuine OEM 18-inch natural gas burner kit

ZR28K5E-PFV-830

Armstrong Fluid Technology 805201-000 Gasket Set 326010-701 the on-board diagnostics include anThe Armstrong Fluid Technology 805201 000 Gasket Set is a precision engineered FLANGE GASKET SET designed to ensure a leak proof seal for high performance circulation systems. Engineered for industrial and commercial HVAC applications, this Armstrong pump gasket kit provides superior resistance against thermal expansion and pressure fluctuations. Utilizing high grade elastomeric sealing materials, the 805201 000 set is essential for maintaining system