Where to find

Alan(CaliforniaRadiant)Forbes

It's off an A.O. Smith Burkay boiler and it is the only thing that controls boiler operation other than a pilot safety further downstream. Kinda' scary, but it's been there for over 50 years and the owner is used to turning up the boiler every time they want heat. There's no high limit and I told her that she will need a new boiler installed this summer because it's not a safe installation.

Luckily, the gas valve failed in the closed position, but I need a new one to get them through the winter. There's no power to it, just a capillary tube in a well.

My controls supplier says that Honeywell doesn't make them anymore and some of the other one's she's found aren't rated for enough BTU's (200,000).

I know a lot of you guys want to lecture me about safety and that I should shut down the boiler; please resist the impulse.
:>)

Alan


<A HREF="http://www.heatinghelp.com/getListed.cfm?id=53&Step=30">To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Contractor"</A>

Tim Doran_2

Frank Moran

Call 1-800-810-7926 and ask for Frank Moran. He is the most knowledgeable guy I know when it comes to A.O.Smith products.

Tim D.

Alan(CaliforniaRadiant)Forbes

Too late

He's retired........

Everybody has heard of a Burkay boiler, but the model number (S600 5 332) throws them for a loop. When they think Burkay, they think "BC".

To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Contractor"

BillW@honeywell

Sorry, but...

that valve is obsolete, with no direct replacement. My only suggestion is to use a Y8610U3003 conversion kit, that includes a whole new ignition module, pilot ****'y and VR8304 gas valve plus wiring harness. The valve has capacity from 30-415 CFH, if that's enough. It may be an expensive stopgap, but that's about all I have...you'll also need a thermostat and a transformer.

Alan(CaliforniaRadiant)Forbes

What about

a V5155A1110?

To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Contractor"

Tim Doran_2

Loosing Touch

I was afraid of that but thought that it was worth a shot. My sons still have a few of the toy tractor trailers from A.O Smith that Frank gave them years ago. I even have one in my office. I hope that he is enjoying his retirement, he certainly earned it.

Tim D.

Dale

Powerpile

You could go with a powerpile valve and a submersion aquastat like a commercial water heater, a strap on aquastat could be a backup high limit which you could reuse when you change it out.

Bob Knebel

Maybe Try RayPak

Greetings Alan:

That valve looks a lot like the unpowered Honeywell "red-knob" modulating gas valve (range 120° to 240° F) that was originally used on the RayPak "Commercial H-Series" boilers. They later went to a 24 VAC powered "green knob" modulating valve made by Robertshaw. In the good old days before switching to Viessmann and Crown, we used to be able to get replacements through RayPak even though the valve was discontinued. They had different models of valves ranging from 1/2" to 1" fpt connections and they worked for either LP or NG. The H-263 and H-333 models of boilers (multiply model number by 1000 to get BTU input) used a 3/4" model and the RayPak part number then was #600161F. Get ahold of a local RayPak Rep or call RayPak Tech Service at 1-800-947-2975 and see if they still have some basking in mothballs somewhere in the dark recesses of their warehouses. There is also an outside chance I can round one up for you out of our own dark recesses. I'll check with our Service Tech. when he gets back in and let you know. Good Luck and Happy Holidays.

Bob Knebel /
Radiant Engineering /
Bozeman, Montana

BillW@honeywell

I've got to slow down when I read this stuff...

Yes, the V5155A's are still available, and would probably be a better choice for this application that the Y8610U.

TomK

Pilot Light

My pilot light on a HYDROTHERM Gas Hydronic heating system keeps going out every week or so; I replaced the thermocouple with a universal and there doesn't appear to be any drafts in the area, but it still goes out.
I'm puzzled?

Alan(CaliforniaRadiant)Forbes

Pooling of resources

Great suggestions from all of you; thanks so much.

That Honeywell V5155A1110 thermostatic gas valve would need an additional valve for complete shutoff; that would be too confusing for the homeowner.

The whole conversion kit that Bill suggested is a great idea, but is pretty expensive.

I've decided to install a Honeywell aquatstat for an operating limit and a combination gas valve to control firing and I like Dale's idea of a strap-on aquastat as a high limit. Maybe I can get two bulbs in that well.

To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Contractor"

Einsiedler

strap on ok??

I'm under the understanding that a high limit must be a mechanical switch with a probe in the water. No microprocessors and (in this case) no strap on's.

pls correct me if I'm wrong..


EIN

Unknown

Go to \"search\"

type in my name Tim McElwain and do a search for thermocouples it will give you a breakdown of things that can go wrong with a thermocouple. It may require a professional to test it and find out what is going wrong.

Mark Wolff

Hi-limit

Never heard of that, we use strap-on aquastats for high limits all the time and are never called on it. They actually react faster than an immersion well aquastat to changing temperatures. We do use immersion well style high limit aquastats on our boilers from time to time, depending on what temp. range the supply house has in stock at the time. Both are acceptable with the State Boiler Inspector in AK.