Reznor 11831 Orifice Common Technician Questions: Is the

Common Technician Questions: Is the HH12ZB230 compatible with older HH12ZA230 units

This specific model is optimized for 60Hz operation

this restrictor can be integrated into copper lines when used with appropriate pneumatic compression adapters or sleeves to maintain a secure seal

ensuring the safety of downstream low voltage control circuits like thermostats

It is recommended to use the full length or loop the excess away from grounded metal surfaces rather than cutting

Reznor 11831 Orifice Common Technician Questions: Is theThe Reznor 11831 Orifice is a critical OEM replacement part designed for precision fuel regulation in gas fired heating systems. This brass gas orifice plug is specifically sized as a #35 natural gas orifice, ensuring the exact manifold pressure and BTU input required for optimal burner performance. In the field, installing the correct unit heater orifice is the difference between a clean, efficient burn and dangerous overfiring or soot accumulation.