Reznor 260603 Valve 30067439-890 The 12A09 vent limiter is

The 12A09 vent limiter is a safety device that permits the regulator to be installed without a vent line to the outdoors

Can I reuse my old blower wheel with this new shaft

monitoring internal temperatures to prevent winding burnout during voltage spikes or locked-rotor conditions

Key Benefits Direct OEM Interchange: Replaces the discontinued 100170479 and TST1121 parts without the need for additional retrofitting or mounting hardware

For technicians and facility managers stocking legacy parts

Reznor 260603 Valve 30067439-890 The 12A09 vent limiter isThe Reznor 260603 is a technician grade 1 2" single stage natural gas valve, engineered as a direct OEM replacement for high efficiency unit heaters. Specifically utilized in Reznor UDAP, UDAS, UDBP, and UBX series heaters, this 24V gas valve provides precise manifold pressure control, typically factory set at 3. 5" w. c. for optimal combustion. As a critical component for maintaining safe burner operation, it features a standardized 1 2" NPT