Reznor 111849 Vent Cap 321894-709 Reduced Maintenance: Permanently lubricated bearings

Reduced Maintenance: Permanently lubricated bearings and a field-replaceable mechanical seal minimize long-term labor costs

Field Serviceable: The inline-accessible single seat and stainless steel trim allow for rapid inspection and component replacement without removing the valve from the piping

What are the signs that a seat repair is necessary

The Armstrong International 125A3 is a high-performance Series A Cast Iron Float & Thermostatic Steam Trap designed for rigorous industrial and HVAC applications

eliminating the risk of internal system contamination from flux residues

Reznor 111849 Vent Cap 321894-709 Reduced Maintenance: Permanently lubricated bearingsFor veteran HVAC contractors, the Reznor 111849 Vent Cap is the standard OEM replacement required for high efficiency exhaust termination. This 5 inch vent cap is a critical component of the exhaust vent system, engineered specifically for Reznor UDAP, UDBP, and UDX 150 250 gas fired unit heaters. Unlike generic alternatives that can cause nuisance pressure switch trips or internal condensation, this genuine Reznor part maintains precise backpressure