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RJ

RJ

Joined on February 3, 2007

Last Post on April 12, 2014

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Recent Posts

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rydlime

@ December 14, 2013 12:05 PM in rydlyme descaler

They say its biodegradable and non toxic, also they claim you you can get it on your hands without irritation,  I never got a chance to use it but looks like a great product

shims

@ December 9, 2013 3:54 PM in is it worth insulating riser inside the wall of the main house?

Very interesting, can you post a picture of this, maybe around a piece of scrap pipe11

lwco

@ December 8, 2013 10:50 AM in Puzzler: Condensate Return Leak, LWCO, Auto Feeder

lwco can be taken apart and cleaned, the sa101 has a strainer that should be cleaned or replaced at least every 6 months, a plugged up lwco could be part of the problem as others have said 

t-stat

@ December 6, 2013 10:19 AM in Honeywell Visionpro problems

White Rogers has a good line of prog. t-stats with optiomal sensors

r_stahmer@yahoo.com

@ December 4, 2013 4:53 PM in Thermostatic Rad Valve Control

type Danfoss in the site search   look for July 29 2009  old document from Bill Burton

Danfoss

@ December 4, 2013 4:43 PM in Thermostatic Rad Valve Control

the boiler/steam system must go to 0 psig on off cycle and have a numerous cycle rate for these 1 pipe valves to work correctly, if the system never draws air in the Danfoss valves often wont close.   I posted the details in the past and believe I sent a document from Danfoss (1983) to the archives

pilot

@ November 24, 2013 10:38 AM in need pilot light assembly for 1985 honrywell/kenmore furnace

can you post a picture13

combustion air

@ November 21, 2013 12:50 PM in Combustion air

I have used fan in a can on several jobs, on 1 job i had to install 2 of them,  they have air flow safety switch that you can wire boiler control circut through,  good product, they were about a $1000.00  4 yrs ago for a 10 inch mod. but well worth it

radiators

@ November 21, 2013 11:18 AM in radiator gushing water, loud banging, gurgling sounds

Read my post    rad. filling with water  11-16-13         6  RJ

valves

@ November 16, 2013 12:23 PM in Radiators fill with water

As Dave said radiator shut off valves need to be open,  I have found several times where the disc ( the part of the valve that closes against the valve seat ) is deteriorated or broken, allowing steam in when valve is shut but not allowing condensate to drain back.   The radiator needs to be disconnected from the valve than you can look inside valve outlet for seat damage.   recommend someone with boiler exp. doing this

piping

@ November 11, 2013 1:20 PM in I lost a job to a company that did this:

Copper pipe allows no swing joints which equals extra stress on boiler sections ( if sectional ) which can cause premature boiler leaking

water level

@ November 8, 2013 3:24 PM in MAJOR WATER HAMMER

Do you remember what the water level was on the old boiler, or do you have any data on the old boiler

bearings

@ November 4, 2013 11:25 AM in blower assembly

ball bearing and set collar      start by checking new parts make sure shaft is straight and there are keyways or flat sots in shaft. Sand and put rust dissolver on shaft by bearings, cut shaft and remove old wheels, install new wheels , slide shaft through wheels  dont forget set collars which I like on inside of bearings , you can move shaft back and forth to install bearings,   bearings are removed and instlled in bracket by turning 90 degrees,   tighten blower wheels on shaft, reinstall blower pulley

heater

@ October 30, 2013 1:14 PM in InfraRed radiant shop heater - need help !

I recommend you have a hvac contractor look at it   could be gas press. defective element.  Remember unvented radiant heaters require a minimum of 4 cfm of fresh air per 1000 btus, either mechanical or gravity per code

air

@ October 29, 2013 8:11 PM in baseboard stays cold

When bleeding air from a system which can travel throughout the system you need to keep system press. up, this may require partially opening fast fill valve if you have one or introducing another water source other than the prv. As far as the piping  the pump is a ( differential machine ) if your piping is not installed or balanced correctly your pump cant cause a differential and a no or per flow condition will exist

air

@ October 29, 2013 2:28 PM in baseboard stays cold

If the system worked before you may have some air in system, any time work is done on hydronic systems air will get back in system after refilling,  are you bleeding at highest point and for how long, are you bleeding with pump off, do you have purge valves for zones

pipe

@ October 18, 2013 11:03 PM in Mono-flo or Parallel piping is small home?

pipe

brass

@ October 17, 2013 6:41 PM in Dielectric Unions

I have used a brass nipple before on smaller pipe

furnace

@ October 17, 2013 10:30 AM in high carbon monoxide level

describe in more detail the flue,  size/height  or include photos

valve

@ October 15, 2013 3:57 PM in ballvalves

look up petcock drain valve  online

valves

@ October 15, 2013 1:21 PM in Mono-flo or Parallel piping is small home?

shut off valves will allow isolation of individual radiators for any future repairs,  proper piping practice used by steamfitters for decades,  some balancing valves,circut setters are not 100% shutoff.   I worked in the Bay Area for 20 yrs,  If you dont already have a contractor call RMA   Redwood Mechanical or ABCO Mechanical

piping

@ October 15, 2013 12:27 PM in Mono-flo or Parallel piping is small home?

 Direct return      Make sure you install positive shut off valves on supply and return on each radiator as well as your balancing valve and drain and purge valves or air vents at high points,  these valves will help you when filling and draining system.  some prefer balancing valves on the return of the radiator,  ball valves not recommended for balancing, use a good quality balance valve that has gauge ports for installing a balance meter or gauges.   Bell&Gosset, Taco or Victaulic make good valves
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