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by Pivotal
Tue Jul 31, 2007 12:26 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No hot water, CH ok
Replies: 17
Views: 9794

I would like to thank the people that offered help & advice, I have fixed the problem & hope the solution may help someone in the future. I went to a diy store to look at the workings of a new valve so I could see what the inside of my valve was doing, that increased my knowledge. I checked ...
by Pivotal
Sat Jul 07, 2007 9:02 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No hot water, CH ok
Replies: 17
Views: 9794

Hi thanks for the replies, I got posted to a different base for the past week so havent had access to either the internet or the problem.

When the stat trips the orange get 190VAC, otherwise the blue gets 240VAC.
by Pivotal
Mon Jul 02, 2007 9:43 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No hot water, CH ok
Replies: 17
Views: 9794

Hi I've put everything back together, no hot water when I move the manual lever, but then when manaually moved its doing the same thing as when the CH kicks in. I honestly cannot see the logic in this valve if the motor moves the spindle, & the spindle moves in the valve, the only thing I can th...
by Pivotal
Thu Jun 28, 2007 9:37 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No hot water, CH ok
Replies: 17
Views: 9794

I will put the motor section back on tonight (need the CH,the wife is cold)


I tried the manual lever previously, but never got any hot water, the boiler doesnt fire up & I cannot hear any water being pumped.
by Pivotal
Wed Jun 27, 2007 9:42 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No hot water, CH ok
Replies: 17
Views: 9794

Hmm, I removed the motor/mechanism from the body of the valve a couple of days ago, leaving a flat brass plate mounted by two screws on the valve body - is this the item you are referring too? The spindle does only have about the 30 degree movement you spoke of, so imply its working but somewhere is...
by Pivotal
Tue Jun 26, 2007 9:27 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No hot water, CH ok
Replies: 17
Views: 9794

The valve is a Honeywell 4073A. I took the motor section off last night, when I turn the CH on it rotates approx 45 degrees, returns when the CH turned off with a hefty whack (either by switch or if I turn the spindle manually). The spindle mounted on the valve body doesnt have the same range of mov...
by Pivotal
Mon Jun 25, 2007 1:49 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: hot water will not come on without heating
Replies: 3
Views: 4302

Hi,

I have the same problem myself now, I was wondering if you managed to get it fixed & how much it cost.

Pete
by Pivotal
Mon Jun 25, 2007 1:43 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No hot water, CH ok
Replies: 17
Views: 9794

Can someone tell me what I would have to do to remove & replace the diverter (assuming its faulty), will I have to drain the CH & HW systems? Would I be able to refill both (if needed) or does that require any special knowledge/tools) Also above the valve just beyond the HW pipe is a screw, ...
by Pivotal
Mon Jun 18, 2007 8:59 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No hot water, CH ok
Replies: 17
Views: 9794

Here is what I have measured: The tank stat has a normally open & normally closed microswitch that I can toggle manually. The current position is C & 1 closed. The wiring from the stat & valve connect on a terminal block thus: S. Stat wires V. Valve wires TB 1 S.Blue & V.Grey 2 S.Red...
by Pivotal
Thu Jun 14, 2007 3:15 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No hot water, CH ok
Replies: 17
Views: 9794

No hot water, CH ok

A few days ago we stopped getting hot water, I noted that the gauge on the boiler way low but not on the bottom so I added some more water into the system, but still no hot water. When I boost the HW or when it should be on, no activity at the boiler. Ive checked that the CH work & thats fine, t...
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