DriSteem 300400-007 O Ring

Maintain the integrity of your humidification system with the DriSteem 300400-007 O Ring. This 1" #120 EPDM O Ring is a critical OEM replacement part designed specifically for sealing vapor tubes in legacy and contemporary humidifiers. Engineered from high-grade Ethylene Propylene Diene Monomer (EPDM), this component is built to withstand the high-temperature requirements of steam-to-steam and electric humidification cycles. It provides a robust, leak-proof seal for DriSteem Model 60 & 70 tubes manufactured after November 1989, ensuring peak pneumatic and hydraulic performance in commercial HVACR environments. Because of its superior resistance to heat and water aging, using the 300400-007 part number prevents unintended steam bypass and pressure loss, ensuring your equipment operates within its original design parameters. For contractors performing routine maintenance or emergency repairs, keeping this specific DriSteem humidifier part in your service kit is essential for managing 1-inch ID connections in high-demand plumbing and steam systems.

• Precision Tolerance: Number 120 cross-section sizing ensures a secure fit for 1-inch ID applications, preventing common leaks at joint connections.
• High-Temperature Durability: EPDM material is optimized for steam-handling systems, maintaining elasticity even after repeated thermal cycling.
• Manufacturer Compatibility: Specifically designed for DriSteem equipment, eliminating the risk of subpar performance associated with generic seals.
• Chemical Resistance: Provides a reliable barrier against water treatment chemicals and contaminants within compatible HVAC temperature ranges.

What DriSteem models use the 300400-007 O-Ring?
This seal is primarily utilized in Model 60 and 70 tubes produced from late 1989 onwards. It is frequently sourced for humidification systems requiring a 1-inch internal diameter seal.

Can I use a standard NBR O-ring instead of this EPDM version?
Standard Nitrile (NBR) rings often lack the thermal resistance required for steam applications. The 300400-007 is EPDM-rated to ensure it does not degrade under the high heat typical of DriSteem humidifier operation.

Is the 300400-007 compatible with older systems?
This specific part number is verified for systems manufactured after 11-1989. For units built prior to this date, dimensions may vary; always verify the chassis or tube serial number before installation.

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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.