Magnum (Modi Systems) ER300 Replacement Regulator

The ER300 Replacement Regulator for Magnum torch systems features ¼″ left‐hand threaded fittings and an adjustable output range of 30–60 PSI, making it a reliable replacement component for maintaining safe torch operation. It is compatible with LPG based torch setups designed for roofing use. The unit is built to industry standards for torches and accessories.

Key features:

• ¼″ left‐hand threaded inlet/outlet fittings for direct compatibility
• Adjustable output range of 30–60 PSI for controlled flame performance
• Designed specifically as a replacement for Magnum torch kits
• Brass construction ensures durability and corrosion resistance
• Helps maintain safe and consistent torch operations on high-output equipment

• SKU: 454-2010 
• Fittings: ¼″ left-hand threads 
• Output range: 30–60 PSI 
• Compatible with: Magnum torch systems requiring regulated LP gas input

Q: When should I consider replacing the ER300 regulator in my torch setup?
A: Replace it if the pressure output is unstable, you detect constant leaks, or the regulator no longer holds adjustment reliably.

Q: Can I use a different regulator if I cannot find the ER300?
A: Not recommended — using a regulator not designed for the specific torch system may affect performance or safety; match ¼″ left-hand fittings and output range first.

Q: How do I adjust the pressure on this regulator?
A: Adjust the regulator screw or knob (as mounted) slowly while monitoring gauge or flame characteristics until the ideal flame profile is achieved within 30-60 PSI.

Q: Are there any specific maintenance tips for this regulator to prolong its life?
A: Keep it free of debris, check fittings and seals for wear, ensure it is protected from weather when not in use, and inspect regularly for corrosion or damage.