the Reznor 11833 natural gas orifice provides the required tolerance to maintain input ratings without the risk of over-firing or carbon buildup

Can I use a higher WC rated switch as a substitute

Simplified Field Replacement: Standard 3-inch insertion length and mounting plate dimensions ensure a drop-in replacement for part number 17534 and 42324

while it is the OEM part for specific Hankison models

ZoneFirst MP12M Damper Motor 30067439-890 the Reznor 11833 natural gasThe ZoneFirst MP12M Damper Motor is a high torque, 12V DC replacement actuator designed specifically for plug in style zone dampers. This motor is the direct electrical and mechanical equivalent to the ZoneFirst MP12, engineered for rapid field replacement in commercial and residential HVAC zoning systems. Utilizing an RJ11 jack connection, this motor eliminates traditional terminal block wiring, allowing for a plug and play installation that reduces