THE MAIN WALL

Discussion List

• 
  Photo dump of the past two weeks of a busy heating season in NYC/NJ

  JohnNY 1.2K views 19 comments 6 points Most recent by JohnNY December 2022THE MAIN WALL
• 
  Commercial Turf over Radiant Heat

  Craig80817 52 views 1 comment 0 points Most recent by hot_rod November 2022THE MAIN WALL
• 
  What size Pex-B Oxygen Barrier Tubing for patching in replacement radiators?

  HandyFS 228 views 14 comments 0 points Most recent by mattmia2 December 2022THE MAIN WALL
• 
  Flow Control Valves In My Setup Proper? Take a look at my setup - Leaking and Replace

  HandyFS 819 views 13 comments 0 points Most recent by mattmia2 November 2022THE MAIN WALL
• 
  Cast Iron Rads - Tying into main supply/return lines - Nipples-Elbows

  HandyFS 81 views 5 comments 0 points Most recent by HandyFS November 2022THE MAIN WALL
• 
  Hot Water Radiator Valves and Unions - Do all radiators need a valve?

  HandyFS 430 views 2 comments 0 points Most recent by HandyFS November 2022THE MAIN WALL
• 
  Glycol

  BillyO 93 views 5 comments 0 points Most recent by GroundUp December 2022THE MAIN WALL
• 
  Replacing fan in a can

  Enormo 181 views 8 comments 0 points Most recent by Enormo December 2022THE MAIN WALL
• 
  Heating From The Basement On Up

  Steve_Slota 5.2K views 26 comments 0 points Most recent by Dave Carpentier January 2023THE MAIN WALL
• 
  Monoflo problem

  SuperTech 670 views 20 comments 0 points Most recent by Solid_Fuel_Man December 2022THE MAIN WALL
• 
  Buderus Logamatic 2107 odd intermittent low room temperature problem

  Swamp_Yankee 35 views 1 comment 0 points Most recent by HVACNUT November 2022THE MAIN WALL
• 
  Supply valve position

  gyrfalcon 84 views 7 comments 0 points Most recent by hot_rod November 2022THE MAIN WALL
• 
  Can you run a CI oil boiler <130 as long as you ensure hotter temperature afterward ?

  Dave Carpentier 251 views 20 comments 0 points Most recent by Dave Carpentier December 2022THE MAIN WALL
• 
  Help bleeding lines

  Rider901x 171 views 12 comments 0 points Most recent by Rider901x November 2022THE MAIN WALL
• 
  Triangle Tube Trimax ignitor

  Shane_2 403 views 4 comments 1 point Most recent by GGross November 2023THE MAIN WALL
• 
  Zone Valves wont automatically...Help greatly appreciated

  ebrady07 209 views 13 comments 0 points Most recent by mattmia2 November 2022THE MAIN WALL
• 
  Three Zone Valve Actuator End Switches Fail at Once???

  allgoodnamestaken 738 views 20 comments 0 points Most recent by allgoodnamestaken November 2022THE MAIN WALL
• 
  Steam wet return

  Snowmelt 72 views 5 comments 0 points Most recent by Snowmelt November 2022THE MAIN WALL
• 
  Spin Flare experience?

  archibald tuttle 205 views 3 comments 0 points Most recent by ratio November 2022THE MAIN WALL
• 
  Removing Radiator Valve/Union/Spuds - Small Hole and No Spuds Inside

  HandyFS 500 views 15 comments 0 points Most recent by HandyFS November 2022THE MAIN WALL
• 
  Twining DHW tanks, piping options

  AMservices 115 views 5 comments 0 points Most recent by hot_rod November 2022THE MAIN WALL
• 
  Insulate steam pipe half set into garage ceiling

  JH3550 408 views 15 comments 0 points Most recent by PRR December 2022THE MAIN WALL
• 
  The Whereabouts of an old friend, Jon Diresta

  Mad Dog_2 466 views 10 comments 0 points Most recent by Mad Dog_2 December 2022THE MAIN WALL
• 
  What is your favorite boiler and why?

  Le John 586 views 11 comments 0 points Most recent by Hot_water_fan November 2022THE MAIN WALL
• 
  Steam take off three tees

  Snowmelt 121 views 7 comments 0 points Most recent by Mad Dog_2 November 2022THE MAIN WALL
• 
  HTP EFT Boiler Whistle

  Entrinsic 206 views 7 comments 0 points Most recent by hot_rod November 2022THE MAIN WALL
• 
  Is this a shut off valve? Please see attached picture.

  klau1i5 172 views 4 comments 0 points Most recent by klau1i5 November 2022THE MAIN WALL
• 
  B&G Circulator Broken

  nz 531 views 22 comments 0 points Most recent by Alan (California Radiant) Forbes November 2022THE MAIN WALL
• 
  Just Noobie Luck or a Valid Calculation Method?

  OttoPilot 142 views 5 comments 1 point Most recent by OttoPilot November 2022THE MAIN WALL
• 
  Best Thermostat for Radiant Slab Floors

  BigRob 4.7K views 6 comments 0 points Most recent by BigRob November 2022THE MAIN WALL
• 
  old honeywell #2 relief valve is it filled with mercury

  mikedo 167 views 7 comments 0 points Most recent by Erin Holohan Haskell November 2022THE MAIN WALL
• 
  Heating Pipe?

  EricPeterson 162 views 4 comments 0 points Most recent by bburd November 2022THE MAIN WALL
• 
  Thanks to a top notch rep!

  tim smith 111 views 1 comment 4 points Most recent by DanHolohan November 2022THE MAIN WALL
• 
  I shouldn't have to ask this, but.....

  GroundUp 566 views 26 comments 0 points Most recent by GroundUp November 2022THE MAIN WALL
• 
  flue sensor mount ejected from pipe?

  catskilt 111 views 7 comments 0 points Most recent by tim smith November 2022THE MAIN WALL
• 
  Steam Is Coming From the Vent. Should I Be Concerned?

  HeatingHelp 4.9K views 2 comments 0 points Most recent by mllyou November 2022THE MAIN WALL
• 
  Mixing Pex types

  ChrisJ 116 views 2 comments 0 points Most recent by hot_rod November 2022THE MAIN WALL
• 
  I need a Gas Meter Clocking Chart PDF to reproduce.

  JohnNY 453 views 13 comments 0 points Most recent by JohnNY November 2022THE MAIN WALL
• 
  Proper boiler control of a large STEAM system (16,000,000 btu)

  Mike_Sheppard 574 views 23 comments 0 points Most recent by retiredguy November 2022THE MAIN WALL
• 
  Outdoor gas water heater will not fire in sub 40F ambient temperatures.

  nibs 331 views 34 comments 0 points Most recent by nibs November 2022THE MAIN WALL
• 
  Wiring/controls help

  dogpound247 142 views 6 comments 0 points Most recent by EdTheHeaterMan November 2022THE MAIN WALL
• 
  Dead Men Tales: Trane Whistles

  HeatingHelp 971 views 7 comments 1 point Most recent by mattmia2 November 2022THE MAIN WALL
• 
  Service Manual or wiring schematic and sequence of operation for The round Model 100

  JamesHolmes 52 views 2 comments 0 points Most recent by ratio November 2022THE MAIN WALL
• 
  Freezing moving water

  ChrisJ 1.4K views 40 comments 0 points Most recent by mattmia2 December 2022THE MAIN WALL
• 
  National Radiator Company model ID and date

  anniebaylis 99 views 3 comments 0 points Most recent by anniebaylis November 2022THE MAIN WALL
• 
  sense rod vs. combination ignition sense rod for intermittent ignition

  archibald tuttle 180 views 14 comments 0 points Most recent by archibald tuttle November 2022THE MAIN WALL
• 
  Whistling / squealing noise

  gyrfalcon 121 views 5 comments 0 points Most recent by gyrfalcon November 2022THE MAIN WALL
• 
  Using phone to log boiler cycles

  Dave Carpentier 98 views 6 comments 2 points Most recent by hot_rod November 2022THE MAIN WALL
• 
  Series and Parallel on One Loop

  NYMike 24 views 1 comment 0 points Most recent by mattmia2 November 2022THE MAIN WALL
• 
  Boiler Piping Layout

  jdb2919 290 views 3 comments 0 points Most recent by hot_rod November 2022THE MAIN WALL