Reznor 196900 Orifice
The Reznor 196900 Brass Gas Orifice is a replacement gas burner orifice identified with a 4.1 mm opening and No. 21 drill size for compatible Reznor gas-fired heating equipment. This precision-sized brass component meters gas flow to the burner as part of the appliance's fuel delivery system. Correct orifice sizing is essential for maintaining the manufacturer's specified gas input and combustion characteristics.
When replacing a Reznor heater burner orifice, technicians must verify the appliance model, fuel type, manifold pressure, burner configuration, and manufacturer-approved part number. An orifice with the wrong opening diameter can produce incorrect gas flow, poor ignition, improper flame characteristics, or unsafe combustion. The Reznor 196900 replacement orifice should not be selected by drill size alone.
Before installation, shut off the gas supply and follow the equipment manufacturer's service instructions. Confirm thread compatibility and inspect the burner assembly for contamination or damage. After installation, a qualified gas service technician should check for leaks, verify manifold pressure, and confirm proper combustion and burner operation.
Key Benefits
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Reznor 196900 replacement part identification.
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Brass construction for compatible gas burner applications.
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4.1 mm nominal orifice opening as specified in the supplied product title.
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No. 21 drill size designation for identifying the specified opening.
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Designed to meter gas flow in approved Reznor heating equipment.
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Supports proper burner operation when matched to the correct appliance and fuel configuration.
Common Questions
Q: What size is the Reznor 196900 gas orifice?
A: The supplied product description identifies a 4.1 mm opening with a No. 21 drill size designation. Confirm the manufacturer's specifications before installation.
Q: Can the Reznor 196900 brass orifice be used with natural gas or propane?
A: Fuel compatibility must be confirmed using the specific Reznor heater model and manufacturer parts documentation. Do not assume an orifice is interchangeable between natural gas and propane applications.
Q: Can I replace a Reznor burner orifice with another orifice of similar size?
A: Only use a manufacturer-approved replacement that matches the required opening, thread configuration, fuel type, and appliance specifications. Similar dimensions do not establish compatibility.
Disclaimer
While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
196900 is the cross for 120153