20/44 Gas delivery
Viking Range Pressure Regulator
Steadies the incoming gas before any burner sees it; set up for one fuel at a time.
- Written by
- Hollis Yamada
- Works on
- Service technician — refrigeration and cooking
- Experience
- 21 years in the trade
- Published
Steady pressure for every burner
Gas reaching the house is not perfectly steady, and a burner is sized for one pressure. The regulator sits between the supply and the gas manifold and evens it out. Viking’s service manual places it at the left rear of the burner box on its free-standing ranges and shows it set for natural gas at the factory, with a cap that is reversed when the range goes to propane.
When it matters here
A failed regulator is uncommon. A regulator set for the wrong fuel is not, and it is the first thing to check on a range bought secondhand or moved to a house on a tank. The fuel question is weighed in convert to propane or buy an LP range; testing the regulator is part of a range repair visit.
Signs and thresholds
| What you notice | The line it crosses | What happens next |
|---|---|---|
| Every burner weak at once | Same on high with clean, seated caps | Supply and regulator pressure tested with a gauge. |
| Every burner tall, loud or yellow | Began after a move or a fuel change | Fuel setting on the regulator and orifices checked. |
| Flames rise and fall on their own | More than one burner at the same time | Supply pressure, then regulator, then orifices. |
| Smell of gas at the back left of the cooktop | Any smell at all | Leave the house; phone the gas utility or 911 once outside. |
What you can do yourself
- Note whether one burner misbehaves or all of them; the regulator only ever explains all of them.
- Tell the technician if the range has moved house or changed fuel; that history saves a lot of testing.
- Stop there. Anything past this is a job for Viking Repair Issaquah — call (425) 920-9484.
When to call
Call when every burner changes together, or after any move or change of fuel. The regulator is never touched by the owner.
Call (425) 920-9484Asked about the pressure regulator
Does a Viking range need a separate regulator on the gas line?
On the free-standing ranges in Viking's service manual, no: a regulator is built into each range at the factory, and the manual says it must never be bypassed. A supply above its limit needs a step-down regulator upstream, fitted by a gas fitter. Viking Repair Issaquah can advise; call (425) 920-9484.
Can a faulty regulator make only one burner go wrong?
Rarely. The regulator feeds every burner through the manifold, so its faults show everywhere at once. One misbehaving burner points to its own cap, head, orifice or valve. Viking Repair Issaquah starts at that burner and works back toward the regulator; call (425) 920-9484.
My Viking range came from a house on propane. Is it set for town gas?
Not unless someone changed it back. The ranges in Viking's service manual leave the factory set for natural gas, but a propane setup stays until it is reversed. Do not light it until that is known. Viking Repair Issaquah can check how it is set before first use; call (425) 920-9484.
