High Altitude Orifice
SUBURBAN · RV WATER HEATER PARTS
Suburban High Altitude Orifice
1 Suburban high altitude orifices for RV water heaters. Smaller orifice for full-time use at high elevation.
✓ FIT CHECK
Not sure which part fits? Send us your model and serial number from the data plate and we’ll confirm it before you order.
Shop by part number
Which high altitude orifice fits my water heater?
Not listed? Send us your model and serial number.
Signs it’s time to replace
- Yellow or sooty flame only at high elevation
- Heater runs fine at lower elevations
Tip: Only needed if you camp at high elevation for long stretches.
Common questions
Which high altitude orifice fits my Suburban water heater?
Find your model in the table above, or match the part number printed on your old part. Several parts changed at serial number breaks, so send us your model and serial number if you are unsure.