Gas Pressure Regulator R-125
- Available in 1, 1-1/2, and 2” NPT and ANSI
- 145 PSI max. inlet pressure (LP and MP versions)
- 180 PSI max. inlet pressure (HP versions)
- Minimum 500 mbar inlet pressure
- Impulse line integrated inside regulator
- Designed to generate low pressure drop and high flow
- Suitable for use with natural gas and gaseous LPG
- Equipped with adjustable springs for precise adjustment of outlet pressure

Learn More:
Description Documentation Ordering Information Accessories
Ordering Information
| Model and Description | Price | Cart | |
| R3N-125LP.F Connection: 1″ NPT; Pe Max: 145 PSI; No Safety Shut-off; Outlet Pe Range: 48-64 mbar; Overpressure Range: n/a; Underpressure range: n/a |
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| R3N-125HP.M Connection: 1″ NPT; Pe Max: 145 PSI; No Safety Shut-off; Outlet Pe Range: 60-88 mbar; Overpressure Range: n/a; Underpressure range: n/a |
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| R4N-125LP.F Connection: 1 1/2″ NPT; Pe Max: 145 PSI; No Safety Shut-off; Outlet Pe Range: 130-160 mbar; Overpressure Range: n/a; Underpressure range: n/a |
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| R4N-125HP.M Connection: 1 1/2″ NPT; Pe Max: 145 PSI; No Safety Shut-off; Outlet Pe Range: 350-450 mbar; Overpressure Range: n/a; Underpressure range: n/a |
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| R6N-125LP.F Connection: 2″ NPT; Pe Max: 145 PSI; No Safety Shut-off; Outlet Pe Range: 120-160 mbar; Overpressure Range: n/a; Underpressure range: n/a |
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| R6N-125HP.M Connection: 2″ NPT; Pe Max: 145 PSI; No Safety Shut-off; Outlet Pe Range: 380-520 mbar; Overpressure Range: n/a; Underpressure range: n/a |
*For all available outlet pressures see accessories
Description
The Elektrogas pressure reducing regulator R-125 is designed for inlet pressures up to 180 PSI. This regulator is suitable for supplying a stable gas pressure.
Documentation
| Gas Pressure Regulator R/RS Installation Instructions | |
| Gas Pressure Regulator R/RS Technical Sheet | |
| FAQ: What Does a Pressure Reducing Regulator Do? (Blog Post) |
Accessories
| Model and Description | Price | Stock | Cart |
| M125.3-4.LP.A1 15-20 mbar spring for R3N-125 20-25 mbar spring for R4N-125 |
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| M125.3-4.LP.A 20-25 mbar spring for R3N-125 LP/MP 25-30 mbar spring for R4N-125 LP/MP |
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| M125.3-4.LP.B 25-40 mbar spring for R3N-125 LP/MP 30-50 mbar spring for S4N-125 LP/MP |
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| M125.3-4.LP.C 40-60 mbar spring for R3N-125 LP/MP 50-70 mbar spring for R4N-125 LP/MP |
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| M125.3-4.LP.D 60-90 mbar spring for R3N-125 LP/MP 70-100 mbar spring for R4N-125 LP/MP |
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| M125.3-4.LP.E 90-120 mbar spring for R3N-125 LP/MP 100-130 mbar spring for R4N-125 LP/MP |
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| M125.3-4.LP.F 120-160 mbar spring for R3N-125 LP/MP 130-160 mbar spring for R4N-125 LP/MP |
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| M125.3-4.MP.G 160-220 mbar spring for R3N-125 LP/MP 160-220 mbar spring for R4N-125 LP/MP |
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| M125.3-4.MP.H 220-350 mbar spring for R3N-125 LP/MP 220-350 mbar spring for R4N-125 LP/MP |
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| M125.3-4.MP.L 300-400 mbar spring for R3N-125 LP/MP 300-400 mbar spring for R4N-125 LP/MP |
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| M125.3-4.HP.M 350-450 mbar spring for R3N-125 HP 350-450 mbar spring for R4N-125 HP |
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| M125.3-4.HP.O 450-650 mbar spring for R3N-125 HP 450-650 mbar spring for R4N-125 HP |
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| M125.3-4.HP.P 650-850 mbar spring for R3N-125 HP 650-850 mbar spring for R4N-125 HP |
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| M125.3-4.HP.R 850-1200 mbar spring for R3N-125 HP 850-1200 mbar spring for R4N-125 HP |
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| M125.3-4.HP.S 1200-1800 mbar spring for R3N-125 HP 1200-1800 mbar spring for R4N-125 HP |
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| M125.3-4.HP.T 1800-2000 mbar spring for R3N-125 HP 1800-2000 mbar spring for R4N-125 HP |
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| M125.3-4.HP.U 2000-3000 mbar spring for R3N-125 HP 2000-3000 mbar spring for R4N-125 HP |
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| M125.3-4.HP.V 3000-4000 mbar spring for R3N-125 HP 3000-4000 mbar spring for R4N-125 HP |
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| M125.44-6.LP.A 15-25 mbar spring for R6N-125 LP/MP |
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| M125.44-6.LP.B 25-40 mbar spring for R6N-125 LP/MP |
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| M125.44-6.LP.C 40-60 mbar spring for R6N-125 LP/MP |
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| M125.44-6.LP.D 60-80 mbar spring for R6N-125 LP/MP |
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| M125.44-6.LP.E 80-120 mbar spring for R6N-125 LP/MP |
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| M125.44-6.LP.F 120-160 mbar spring for R6N-125 LP/MP |
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| M125.44-6.MP.G 150-200 mbar spring for R6N-125 LP/MP |
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| M125.44-6.MP.H 200-300 mbar spring for R6N-125 LP/MP |
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| M125.44-6.MP.L 280-400 mbar spring for R6N-125 LP/MP |
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| M125.44-6.HP.M 380-520 mbar spring for R6N-125 HP |
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| M125.44-6.HP.O 5200-750 mbar spring for R6N-125 HP |
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| M125.44-6.HP.R 750-1100 mbar spring for R6N-125 HP |
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| M125.44-6.HP.S 1100-2000 mbar spring for R6N-125 HP |
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| M125.44-6.HP.U 2000-3000 mbar spring for R6N-125 HP |
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| M125.44-6.HP.V 3000-4000 mbar spring for R6N-125 HP |
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600 Mogadore Rd. Kent, OH 44240
Phone 330-678-3683
Email: support_ab@combustion911.com
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