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Air will flow from a higher pressure to a lower pressure. The closet should be at a lower pressure (providing ducts are sealed) due to the combustion blower/flue. outside the closet should be at a...

This is a Major decision for you and one that will effect the rest of your career. Imo it depends on your work etheics, dependability,Personality, your willingness to learn, your ability to learn,...

Incorrectly stated that boiler flue diameter was 5". It is 6"

Byfar the tool used MORE OFTEN than any other..... the pocket screwdriver that the supply houses give away.

Many co-workers have used that back-pack and will not use any thing else. If im going on the roof I start with my multi-meter, 6-in-1, 6" crescent, and wire strippers. thats usally enough to...

GPS!!!, a good H.D. crimping tool, magnetic nut drivers, ball valve core removal tool, Ratcheting Wrench Set, I.R. thermometer, 6" Wide Jaw Adjustable Wrench, Channel lock16" Tongue-and-Groove...

http://www.google.com/url?q=http://www.cleaverbrooks.com/Products-and-Solutions/Boilers/Firetube/CBEX-Elite-1300-2200-HP/CBEX-Elite-1300-2200-Operation-and-Maintenance-Manual.aspx&sa=U&ei=6-WNTtC7OpGC...

If you dont have any louvers or return air openings in the room, the room will become pressurized, thus not allowing any air from your rtu to enter the room. Just installing vents or louvers will...

Agreed , have used many. You dont want to weld with a torch anyway.

Thanks hearthman. you are def. the chimney guru of this site and I commended for your dedication. I understand the importance of the fuel gas codes and utilizing a chimney pro. I will def. look it...

Ive had 240/24 volt transformers with 200 volts applied that made relays/contactors chatter

Just to add a few notables- remove all cross plugs and siphon tubes and inspect for blockage, inspect refractory and repair/washcoat as needed, remove handhole covers and inspect-especially mudlegs....

I always leave burner on low fire hold and leave a top vent open untill it just starts to make steam. this assures that the water is de-airated.

Non destructive thickness test ( Ultrasonic ) I think is the answer your looking for. Other tests include vacuum pump, hydrostatic pressure, borescope, & dye penetrant.You dont state were your...

FLHVAC- "Will a 240-24volt transformer convert enough voltage to pull in a 24 volt contactor if it is only getting 120 volts to the supply side of the transformer? "
NO

At 500 degrees you wont even get the click. many O.L. are designed to keep the shell under 302*F (per UL). Disconnect the comp leads, cool the shell, find the problem, check the rest of the unit...

Been in the commercial svc. industry for 15 years, so this residential install is a little out of my scope, but i find myself with the task of replacing a boiler and hw heater next week. Removing...

Been in the commercial svc. industry for 15 years, so this residential install is a little out of my scope, but i find myself with the task of replacing a boiler and hw heater next week. Removing...