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2015 combi boiler domestic h20 works fine but heat side wont
2015 combi boiler domestic h20 works fine but heat side wont circulate thru primary loop .the boiler seems to be ramping up corectly just no circulation ,i tried to purge thru primary loop no luck any… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,996 satisfied customers
I have a NTI- TRINITY Ti150 boiler that shuts down after
I have a NTI- TRINITY Ti150 boiler that shuts down after starting with an error 1 code? there is no power to circulation pump so boiler shuts down, for reaching max temp in heat exchanger. What do i n… read more
Rick
Rick
Supervisor
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I have a basi Rica combi boiler system, recently the pressure
I have a basi Rica combi boiler system, recently the pressure relief valve began leaking about a quart or so a day. I replaced the valve, but get the same results? I was told I may need to add an expa… read more
Phil
Phil
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9,996 satisfied customers
I have a W- gas boiler. We get it serviced every year. Twice
I have a W-B gas boiler. We get it serviced every year. Twice my radiators have backed up through the vents and went all over my floors. My boiler is a 2008. What should I have fixed sot his never hap… read more
Rick
Rick
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I have a 1940's radiator heating system. Gas boiler-9
I have a 1940's radiator heating system. Gas boiler-9 radiators total. 1200sq/ft home. My plan is to build a Solar Water heating collector. Average temp is around 180*F. Question: Can I route the wate… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,996 satisfied customers
I have a quietside dual purpose boiler that I just set up for
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Phil
Phil
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NTI Trinity Ti150. Boilers fires up, heats for a minute, then
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Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,996 satisfied customers
my well has less than 60 is soft water, 60-120 is hard water,121-180
my well has less than 60 is soft water, 60-120 is hard water,121-180 is very hard water . so the results of 149 fit in the very hard water scale . As far as pH,7 is basically neutral,so a pH of 7.8 is… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,996 satisfied customers
Hello All! I am currently replacing my heating system. I plan
Hello All! I am currently replacing my heating system. I plan to install a 4 zone radiant heat and domestic hot water off of an unpurchsed tankless water heater. What I would like to do is run 4 zones… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,996 satisfied customers
Quietside dual purpose on demand water heater is short
Anybody here know anything about quiet side dual purpose on demand water heaters? I have a DPW-120A running 3 zones of in floor heat slab on grade. The problem is the boiler is short cycling. When a z… read more
Expert
Expert
Hi, I have a question about the Laars Mascot HT 1.330. It
Hi, I have a question about the Laars Mascot HT 1.330. It has been running in our house for a few years now with no problem. This winter, when 1 of the 3 thermostat controlled zones calls for hot wate… read more
Scott
Scott
Self Employed HVAC Service Technician
Associate Degree
400 satisfied customers
I have a combi boiler system that provides domestic hot water
I have a combi boiler system that provides domestic hot water and also heats the in floor tubing system. It is a closed loop system. I noticed the pressure was swinging wildly between 10 and 30 (when … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,996 satisfied customers
We would like a Viessmann condensing high efficiency boiler
We would like a Viessmann condensing high efficiency boiler to provide heat for our in-floor heating system (for a floor area of 1600 sq ft.) and also supply heat to provide hot water for domestic use… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
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I have a teledyne laars mini combo unit. The unit will kick
I have a teledyne laars mini combo unit. The unit will kick on and heat the domestic hot water loop, but will not for the heating loops. The out going pipes are cold which leads me to believe that the… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,996 satisfied customers
4 year old biasi hot water ok but heating stays on only 30
4 year old biasi hot water ok but heating stays on only 30 seconds & goes off repeatedly. I have been told by friend it's the divert-er valve..can you give more ditails.… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a Honeywell Triple Aquastat Relay type L8124A, C L8151A.
I have a Honeywell Triple Aquastat Relay type L8124A, C L8151A. Our boiler is used to heat water as well as the house. We have a multi-zone heating arrangment. Our water is extremely hot and can cause… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
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I wish to remove a radiator from the closet in my bathroom
I wish to remove a radiator from the closet in my bathroom which is above the floor mounted on the wall approx 5' above the floor. I want to close the line off @ the floor level. Do I loop the line or… read more
Rick
Rick
Supervisor
24,965 satisfied customers
I am a carpenter by trade and am building a set of built-ins
I am a carpenter by trade and am building a set of built-ins for client and need to move hydronic baseboard heat out from wall about 16". How do I drain the line/loop and then refill once reset/sweat?… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
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Meet the Experts:

Phil

Phil

Mechanical Engineer

9,996 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

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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.

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