Built for the Enviro E25, this #38 DMS bullet-style natural gas main burner orifice (part 50-4559) is the genuine Enviro replacement for the E25, E25I and E25ID fireplace models equipped with a log set, and it sets the correct natural gas flow to the main burner for steady, efficient combustion.

Fit

• Fits the Enviro E25, including the E25I and E25ID variants with log set.
• Propane units use a different orifice (#52 DMS); this part is for natural gas only.

When to replace it

If the main burner flame looks uneven, weak, or the insert is not producing the heat output it once did, a worn or incorrect orifice can be the cause. Since this is a gas component, any sign of a flow or flame problem is worth addressing promptly rather than working around it.

Specifications

• Natural gas manifold pressure: 3.6 in. W.C. maximum, 1.6 in. W.C. minimum, per the E25 manual.

Installation

Installation should be performed by a licensed gas technician in accordance with local codes.

Not sure it fits your unit? Contact us with your model number and we'll confirm before you order.