Burner BTU, Orifice, and Pressure Guide

On this page

• Gas Pressure Ratings
• BTU Ratings and Orifice Sizes

 

**NOTICE**All repairs should be performed by a certified technician. Southern Pride of Texas® is not liable for any damages, or injury if you choose to attempt repairs on your own. 

When dealing with high voltage, and moving drive systems there is a risk of extreme injury, or even DEATH.

Here you can find Southern Pride smoker burner BTU ratings, main and pilot orifice sizes, and gas supply/manifold pressures.

Gas Pressure Ratings

These pressures apply to all Southern Pride gas smokers.

Supply Pressure

NAT: 4.5″ – 10.0″ W.C.
LP: 11.0″-13.0″ W.C.

Manifold Pressure

NAT: 3.5″ W.C.
LP: 10.0″ W.C.

Gas Valve Springs

NAT: Silver Colored Spring
LP: Rust/Primer Colored Spring

BTU Ratings and Orifice Sizes

SPK Series

SPK-280

BTU: 75,000
NAT Main Orifice: #19 .166
NAT Pilot Orifice: #24
LP Main Orifice:  #37 .104
LP Pilot Orifice: #18

SPK-500

BTU: 75,000
NAT Main Orifice: #19 .166
NAT Pilot Orifice: #24
LP Main Orifice:  #37 .104
LP Pilot Orifice: #18

SPK-700

BTU: 100,000
NAT Main Orifice: #13 .185
NAT Pilot Orifice: #24
LP Main Orifice: #36 .107
LP Pilot Orifice: #18

SPK-1000

BTU: 150,000
NAT Main Orifice: #1 .228
NAT Pilot Orifice: #24
LP Main Orifice: #29 .136
LP Pilot Orifice: #18

SPK-1400

BTU: 150,000
NAT Main Orifice: #1 .228
NAT Pilot Orifice: #24
LP Main Orifice: #29 .136
LP Pilot Orifice: #18

SP Series

SP-700

BTU: 150,000
NAT Main Orifice: #1 .228
NAT Pilot Orifice: #24
LP Main Orifice: #29 .136
LP Pilot Orifice: #18

SP-750

BTU: 150,000
NAT Main Orifice: #1 .228
NAT Pilot Orifice: #24
LP Main Orifice: #29 .136
LP Pilot Orifice: #18

SP-1000

BTU: 150,000
NAT Main Orifice: #1 .228
NAT Pilot Orifice: #24
LP Main Orifice: #29 .136
LP Pilot Orifice: #18

SPX Series

SPX-300

BTU: 75,000
NAT Main Orifice: #19 .166
NAT Pilot Orifice: #24
LP Main Orifice:  #37 .104
LP Pilot Orifice: #18

MLR Series

MLR-150

BTU: 65,000
NAT Main Orifice: #26 .147
NAT Pilot Orifice: #24
LP Main Orifice: #43 .089
LP Pilot Orifice: #18

MLR-850

BTU: 125,000
NAT Main Orifice: #5 .205
NAT Pilot Orifice: #24
LP Main Orifice: 1/8″ .125
LP Pilot Orifice: #18

SRG Series

SRG-400

BTU: 65,000
NAT Main Orifice: #26 .147
NAT Pilot Orifice: #24
LP Main Orifice: #43 .089
LP Pilot Orifice: #18

XLR Series

XLR-350

BTU: 75,000
NAT Main Orifice: #19 .166
NAT Pilot Orifice: #24
LP Main Orifice:  #37 .104
LP Pilot Orifice: #18

XLR-600

BTU: 125,000
NAT Main Orifice: #5 .205
NAT Pilot Orifice: #24
LP Main Orifice: 1/8″ .125
LP Pilot Orifice: #18

XLR-1000

BTU: 150,000
NAT Main Orifice: #1 .228
NAT Pilot Orifice: #24
LP Main Orifice: #29 .136
LP Pilot Orifice: #18

XLR-1400

BTU: 125,000
NAT Main Orifice: #5 .205
NAT Pilot Orifice: #24
LP Main Orifice: 1/8″ .125
LP Pilot Orifice: #18

XLR-1600-4 (Single Burner)

BTU: 200,000
NAT Main Orifice: G .261
NAT Pilot Orifice: #24
LP Main Orifice: 5/32 .156
LP Pilot Orifice: #18

XLR-1600-4 (Dual Burner)

BTU: 150,000
NAT Main Orifice: #1 .228
NAT Pilot Orifice: #24
LP Main Orifice: #29 .136
LP Pilot Orifice: #18

Rolltisserie

Rolltisserie

BTU: 65,000
NAT Main Orifice: #26 .147
NAT Pilot Orifice: #24
LP Main Orifice: #43 .089
LP Pilot Orifice: #18

BMJ Series

BMJ-200i

BTU: 50,000
NAT Main Orifice: #30 .129
NAT Pilot Orifice: #24
LP Main Orifice: #45 .082
LP Pilot Orifice: #18

BMJ-350i

BTU: 75,000
NAT Main Orifice: #19 .166
NAT Pilot Orifice: #24
LP Main Orifice:  #37 .104
LP Pilot Orifice: #18

BMJ-1000

BTU: 75,000
NAT Main Orifice: #19 .166
NAT Pilot Orifice: #24
LP Main Orifice:  #37 .104
LP Pilot Orifice: #18

BBR Series

BBR-79-1

BTU: 75,000
NAT Main Orifice: #19 .166
NAT Pilot Orifice: #24
LP Main Orifice:  #37 .104
LP Pilot Orifice: #18

BBR-79-2

BTU: 75,000
NAT Main Orifice: #19 .166
NAT Pilot Orifice: #24
LP Main Orifice:  #37 .104
LP Pilot Orifice: #18

BBR-79-3

BTU: 75,000
NAT Main Orifice: #19 .166
NAT Pilot Orifice: #24
LP Main Orifice:  #37 .104
LP Pilot Orifice: #18

BBR-700

BTU: 125,000
NAT Main Orifice: #5 .205
NAT Pilot Orifice: #24
LP Main Orifice: 1/8″ .125
LP Pilot Orifice: #18

UXR Series

UXR-100

BTU: 75,000
NAT Main Orifice: #19 .166
NAT Pilot Orifice: #24
LP Main Orifice:  #37 .104
LP Pilot Orifice: #18