Questions tagged [zoned-heating]

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Are 8-Zone Wiring Centers Compatible With Smart Thermostats?

I'm looking at various wiring centers for gas boiler heating and I'm wondering if they're compatible with the major smart thermostats, such as Nest, Hive, and Honeywell. Wiring Centers: Reliance:...
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20 views

Strange behaviour with 4 zone central heating timer (John Guest TM4 / Heatmiser TM4)

I have a 4 zone heating timer (HW, Underfloor Heating, Towel Rail and the 4th zone is unused). I moved into a new build a few years ago. After 3 years my heating timer unit (John Guest TM4) started ...
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2answers
560 views

HZ432 and no heat in one zone

I have 4 zones... The following lights are on the HZ432: Heat 1 - red Heat 2 - red Heat 3 - no light Zone 1 - yellow Zone 2 - red Zone 3 - red Zone 4 - red I have heat in 3 zones, but not in one of ...
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715 views

How to wire a Taco zone valve controller with ecobee

I'm having an issue with wiring my Weil McLain gas boiler. It was wired up fine and working for a single zone. I added (2) 4 wire zone valves in. So I now have 2 zones, a Taco zone valve controller(...
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45 views

Some baseboard in one zone are getting hot and some are not

So I have one zone with two split loops. One loop is getting hot, the other is not. In the boiler room where the zone splits into two loops i can already feel that one is hot and one is barely warm. ...
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254 views

Nest + opentherm + zone valve

I have a Nest 3G, I'm now considering to change my boiler due to age-related issues. Can someone tell me if I can connect the Heat-Link to both zone-valve (on/off contacts) and boiler (OpenTherm). I ...
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6 views

Honeywell Truzone Panel Power Issue

I redid pieces of my zoning system a few months ago but we had such a mild winter the furnace barely went on. Now that we're getting towards summer the old problems that I had are reappearing. I was ...
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40 views

Why is one of my four baseboard heat zones not working?

No heat in baseboard. How to bleed just one zone. Thanks! Please see picture. ? I have a 4 zone valves. 1) water heater (works) 2) 1st floor air handler (works) 3) 2nd floor air handler (works) ...
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35 views

Boiler Zone issue after thermostat install

I just bought a new to me house, built in 1970. I replaced the old mercury thermostats with new programable digital ones. They worked great for the first 12 hours. Kept and read temps like it was set. ...
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27 views

Nest Thermostats: Balancing temperatures between zones

So, I'm wondering if there's a way that I can program my Nest thermostats to help moderate temperature disparities between my first and second floors. Here's the situation: I have forced air from a ...
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54 views

Zoned 2 stage heat pump system, aux heat not engaging

Homeowner here...I have a 2 stage heat pump split system with the ducting zoned for 2 zones. The units are as follows: Compressor: Goodman GSZC16 heat pump Zone control board: Honeywell HZ322 ...
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37 views

Heat pump can't get a zone to 72° F

I have a heating system with both a heat pump and a boiler. The rule for the system is that if the temperature in a zone is 5° F less than called for, then the boiler will come on, but otherwise the ...