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THE MAIN WALL

Archives for November 2022

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 60 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 240 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 946 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 82 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 478 views 2 comments 0 points Most recent by HandyFS November 2022THE MAIN WALL
Glycol

BillyO 91 views 5 comments 0 points Most recent by GroundUp December 2022THE MAIN WALL
Replacing fan in a can

Enormo 186 views 8 comments 0 points Most recent by Enormo December 2022THE MAIN WALL
Heating From The Basement On Up

Steve_Slota 6.1K views 26 comments 0 points Most recent by Dave Carpentier January 2023THE MAIN WALL
Monoflo problem

SuperTech 730 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 40 views 1 comment 0 points Most recent by HVACNUT November 2022THE MAIN WALL
Supply valve position

gyrfalcon 87 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 172 views 12 comments 0 points Most recent by Rider901x November 2022THE MAIN WALL
Triangle Tube Trimax ignitor

Shane_2 487 views 4 comments 1 point Most recent by GGross November 2023THE MAIN WALL
Zone Valves wont automatically...Help greatly appreciated

ebrady07 216 views 13 comments 0 points Most recent by mattmia2 November 2022THE MAIN WALL
Three Zone Valve Actuator End Switches Fail at Once???

allgoodnamestaken 823 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 225 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 588 views 15 comments 0 points Most recent by HandyFS November 2022THE MAIN WALL
Twining DHW tanks, piping options

AMservices 117 views 5 comments 0 points Most recent by hot_rod November 2022THE MAIN WALL
Insulate steam pipe half set into garage ceiling

JH3550 411 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 604 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 230 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 582 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 6K views 7 comments 0 points Most recent by BigRob November 18THE MAIN WALL
old honeywell #2 relief valve is it filled with mercury

mikedo 168 views 7 comments 0 points Most recent by Erin Holohan Haskell November 2022THE MAIN WALL
Heating Pipe?

EricPeterson 196 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 561 views 26 comments 0 points Most recent by GroundUp November 2022THE MAIN WALL
flue sensor mount ejected from pipe?

catskilt 112 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 5.4K views 2 comments 0 points Most recent by mllyou November 2022THE MAIN WALL
Mixing Pex types

ChrisJ 111 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 503 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 626 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 162 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 1.5K views 40 comments 0 points Most recent by mattmia2 December 2022THE MAIN WALL
National Radiator Company model ID and date

anniebaylis 102 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 208 views 14 comments 0 points Most recent by archibald tuttle November 2022THE MAIN WALL
Whistling / squealing noise

gyrfalcon 138 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 28 views 1 comment 0 points Most recent by mattmia2 November 2022THE MAIN WALL
Boiler Piping Layout

jdb2919 300 views 3 comments 0 points Most recent by hot_rod November 2022THE MAIN WALL