HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Connect one-on-one with {0} who will answer your question

Related HVAC Questions
Rick helped me with the connection of my TACO SR506-4 to the
Rick helped me with the connection of my TACO SR506-4 to the hydronic system. He suggested that one of the zones had a short in it. I was able to identify and isolate the faulty zone - zone 5. When I … read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
Rick, after checking the wiring connections involved with
Rick, after checking the wiring connections involved with our boiler, we still have 3 calls for heat with no response from boiler. Each wire was freshly cut and wired to the same connections as prior … read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
I need to replace the Zone 3 relay in my Taco SR504, but
I need to replace the Zone 3 relay in my Taco SR504, but there are five 28 volt relays and they are not numbered on the board -- or in Taco's documentation. … read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
I have a Taco SP506 - 6 controller. Zone isn't working.
I have a Taco SP506 - 6 controller. Zone isn't working . Green light is on and all of the other zones have a red light and are working. … read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
Have 5 pumps in house. Can I connect each pump to each zone?
I have 5 pumps in my house. Can I connect each pump to each zone to work with each separate thermostat?… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
I am adding a wireless thermostat to a new zone I have
Hi. I am adding a wireless thermostat to a new zone I have added. The Taco furnace controller has 6 zones. I only use up 4 of those now. I have hooked up an EIM (THM5320) to my Taco controller by conn… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
I have a taco SR506-EXP-4 switching unit. does this unit
I have a taco SR506-EXP-4 switching unit. does this unit produce it's own 24 VAC or do I need to connect it to the 24 VAC source from the boiler and if so where do I connect the source to the SR506-EX… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
I have a hot water furnace with pumps to each zone and a
Hi - I have a hot water furnace with pumps to each zone and a taco 6 zone controller. I am replacing one of the zones that controls a radiant floor zone. It has three wires - green red and white and o… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
I currently have 4 Furnas two pole relays to energize 4 zone
I currently have 4 Furnas two pole relays to energize 4 zone valves and 4 Taco circulating pumps being fed from my Weil Mclain boiler. The boiler has an indirect tank and a on board Taco circ. pump to… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
Problem with new hydro air system. Burnham Alpine condensing
Problem with new hydro air system. Burnham Alpine condensing boiler with 2 First Aire air handlers and indirect HW tank.I thought this was related to Nest tstat update yesterday but now unsure. Taco i… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
Hello I am installing a Takagi TH3 tankless for my radiant
Hello I am installing a Takagi TH3 tankless for my radiant floor heating system (replacing a rusted out Burnham boiler). I am also installing a Taco SR506-EXP-4 Switching Relay to control the zone pum… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
I have a buderus oil boiler with a Taco SR506 relay. I have
I have a buderus oil boiler with a Taco SR506 relay. I have been running battery powered thermostats on 2 wires Rh and W. I purchased Honeywell RTH6580WF wifi thermostats to be able to manage the temp… read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
How to connection the High volt & low wiring with Taco zone
How to connection the High volt & low wiring with Taco zone valve controller for the Weil-Mc Clain model # XXXXX 97 + 110 gas fire boiler to system. And the old system has three Honeywell zone valves … read more
Rick
Rick
HVAC Supervisor
25,793 satisfied customers
I have a TACO ZVC406 controller. I tried to replace my thermostat
I have a TACO ZVC406 controller. I tried to replace my thermostat (old mercury filled Honeywell) to a new Next thermostat. Seemed easy as there are only red and white wires. When I installed, the TACO… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
I have a Taco SR504 wired as a to an SR506. All has worked
I have a Taco SR504 wired as a slave to an SR506. All has worked well for 4.5 years, but this year one zone powered by the 504 does not come on. The monitor light for that zone doesn't light. Swapping… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
I have a Taco sr506 zone controller controlling 4 circulator
I have a Taco sr506 zone controller controlling 4 circulator pumps. I am installing a Honeywell hz432 zone zontroller so that I can use 4 wireless tstats. Where do I attach the 2 wires coming off the … read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Had Taco SR506-EXP (master) connected to another SR506-EXP
Had Taco SR506-EXP (master) connected to another SR506-EXP (slave). These used expansion connections 1, 2, 3, 4 to tell the master when a zone on the slave was calling. The master had little problem a… read more
Jerry M.
Jerry M.
Senior HVAC Technician
High School or GED
153 satisfied customers
I am going to list the items used in this application 1.
I am going to list the items used in this application: 1. Weil-McLain Ultra 155 with PHD technology (Gas fired) 2. Weil-Mclain Plus-Line 80 Indirect fired water heater 3. 8-Taco 007 circulators for zo… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future.

JimmyBagley, IA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

Phil

Phil

Mechanical Engineer

7,791 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

HVAC Technician

3,133 satisfied customers

35 years experience, HVAC

Matthew

Matthew

HVAC Technician

2,014 satisfied customers

14 years experience in the HVAC field of service, installation, Manual J & D calculations

Brian HVAC Guy

Brian HVAC Guy

HVAC Technician

1,024 satisfied customers

I have been an HVAC/R mechanic/technician for 30+ years.

Kenton Guidry

Kenton Guidry

HVAC Technician

963 satisfied customers

12 years install/service experience.

Rick Ridley

Rick Ridley

UK Heating Engineer

871 satisfied customers

Retired But have had 30 years on the tools, Ex CORGI

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x