Search: Posts Made By: pgbeckwith
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Replies: 25
Views: 3,094
Posted By pgbeckwith

So, I was able to get the cover that was frozen...

So, I was able to get the cover that was frozen onto the gas valve housing off, and was greeted with a series of gears and springs. Voltage at the valve goes from 20-5 depending on whether the boiler...
Replies: 25
Views: 3,094
Posted By pgbeckwith

Sorry, the transformer for the steam zone (not...

Sorry, the transformer for the steam zone (not the one housed in the boiler boss relay) has a secondary of 20.3 volts. However, that's what the secondary is rated for.
Replies: 25
Views: 3,094
Posted By pgbeckwith

I confirmed continuity across the pressuretrol. ...

I confirmed continuity across the pressuretrol.

With the common lead from the multimeter on the relay case, I get 120V at the primary,and only 8.2V at the secondary, and to all the wires...
Replies: 25
Views: 3,094
Posted By pgbeckwith

Absolutely. I'm an mechanical engineer, so I'm a...

Absolutely. I'm an mechanical engineer, so I'm a little out of my element when it comes to the electrical stuff, but know all the equipment fairly well.
Replies: 25
Views: 3,094
Posted By pgbeckwith

I ordered a copy of the book. I've seen it...

I ordered a copy of the book. I've seen it recommended elsewhere as well.

I turned down the pressure settings to the .5 cut in, with the ~1.5 differential. Still hasn't fired up.

Is there...
Replies: 25
Views: 3,094
Posted By pgbeckwith

Oh, sorry, it's somewhere between 1 and 2. Let's...

Oh, sorry, it's somewhere between 1 and 2. Let's call it 1.3
Replies: 25
Views: 3,094
Posted By pgbeckwith

That would be the relay model I have. Yeah, the...

That would be the relay model I have. Yeah, the pump and thermostat are connected to the relay, as is the aquastat.

The thermostat for the steam zone goes to a light switch, which then goes to...
Replies: 25
Views: 3,094
Posted By pgbeckwith

Yes, it is set to five psi

Yes, it is set to five psi
Replies: 25
Views: 3,094
Posted By pgbeckwith

Yes, the thing you described is what I took off...

Yes, the thing you described is what I took off and checked. I could easily blow through it, and ran a wire brush through it just to be safe. It's an old Honeywell pa404a that has a "cut in" of ~5...
Replies: 25
Views: 3,094
Posted By pgbeckwith

So, I got the pigtail off, and the thing was...

So, I got the pigtail off, and the thing was spotless, put 'er back on, and I'm still only getting 20V (20.5 to be exact) at the gas valve.

Any other suggestions?
Replies: 25
Views: 3,094
Posted By pgbeckwith

Sorry, I knew I'd forget to put some relevant...

Sorry, I knew I'd forget to put some relevant info...

There are 2 zones, one steam feeding radiators, and the other forced hot water feeding baseboard heaters. Only the forced hot water has a...
Replies: 25
Views: 3,094
Posted By pgbeckwith

Problems with old Janitrol boiler

I have an older Janitrol boiler, probably the original one installed when my house was built in the 1950's, that I've been having some issues with. I turned the heat on a few weeks ago, and...
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