/* * These styles apply ONLY to the header and footer assets. */ * { padding: 0; margin: 0; box-sizing: border-box; } .DataList .Item .Title a { color: red; } .footer { background: #f5f5f6; color: #555a62; font-size: 14px; line-height: 1.5; padding: 18px 0; } .footer-wrap { padding-left: 18px; padding-right: 18px; max-width: 1236px; margin: 0 auto; } .footer a { color: #0291db; } .footer a:hover { color: #0276b3; } .footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; margin: -3px; } .footer-col { padding: 0 3px; } .footer-col-copyRight { justify-content: flex-start; } .footer-col-logo { justify-content: flex-end; } .footer-col-copyRight, .footer-col-logo { flex: 1; display: flex; } .logo { width: 120px; height: 28px; opacity: 0.6; } @media screen and (max-width: 768px) { .footer-row { display: block; } .footer-col { width: 100%; text-align: center; margin: 6px 0; } .footer-col:first-child { margin-top: 0; } .footer-col:last-child { margin-bottom: 0; } .footer-col-copyRight, .footer-col-logo { justify-content: center; } .logo { margin: 0 auto; } } #HeaderAds { margin-bottom: 1rem; } /* header links */ #navigation-bar { box-sizing: border-box; display: flex; flex-direction: column; margin-left: auto; margin-right: auto; max-width: 1264px; padding-left: 20px; padding-right: 20px; position: relative; width: 100%; } @media (max-width: 806px) { #navigation-bar { padding-left: 0; padding-right: 0; } } #navigation-bar nav { padding-right: 0; position: relative; z-index: 1; float: none; display: flex; flex-direction: row; justify-content: flex-end; width: 100%; } #navigation-bar nav ul { background: none; } #navigation-bar nav li { display: inline-block; height: 37px; line-height: 37px; font-size: 14px; font-weight: 300; } #navigation-bar nav a { display: block; padding: 0 15px; color: rgb(228,104,34); text-decoration: none; } a.mrc-button { background: rgb(228,104,34); color: #fff!important; } /* Social links in footer */ .social-footer { background: rgb(228,104,34); text-align: center; } .social-links { display: flex; justify-content: center; list-style: none; padding: 50px 0; } .social-links a { display: flex; align-items: center; justify-content: center; padding: 0 20px; color: black; text-decoration: none; font-weight: 600; font-size: 20px; } .social-links a:hover { text-decoration: underline; } .social-links svg { margin-right: 10px; } @media screen and (max-width: 768px) { .social-links { flex-direction: column; } .social-links a { margin-bottom: 10px; } } /*# sourceMappingURL=styles.css.map */

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Domestic Hot Water

Industry expert Larry Weingarten is here to help answer your domestic hot water questions. Ask for help or share what you know here. To learn even more, purchase Larry's Water Heater Workbook and visit his website.

No hot water in all faucets, water heater is good.

Vince1017 152 views 4 comments 0 points Most recent by Derheatmeister February 26
Air in line

Ryan7625 61 views 2 comments 0 points Most recent by hot_rod February 26
Inability to make up hot water

Tallonsy 82 views 1 comment 0 points Most recent by JoeHNJ February 24
Rinnai tankless hot water - just shuts down after 5-8 minutes

stephenmatlock 7.5K views 13 comments 0 points Most recent by Erin Holohan Haskell February 22
Propane Water Heater kicks on almost immediately?

mwc125 121 views 11 comments 0 points Most recent by mwc125 February 21
need to fill 90 gallon whirlpool need help sizing indirect

mikedo 151 views 11 comments 0 points Most recent by tim smith February 20
Baxi Luna 310fi - Increasing Pressure Issue

Bentley27 741 views 17 comments 0 points Most recent by Chippy February 19
Triangle tube prestige solo 399. Blower keeps going

barbiera 113 views 7 comments 0 points Most recent by tim smith February 14
Best HWH option?

leo95se 261 views 18 comments 0 points Most recent by JakeCK February 10
Gravity Line Not Working Properly

SPY 131 views 13 comments 0 points Most recent by JUGHNE February 9
New basement radiator?

Shagy2303 81 views 7 comments 0 points Most recent by mattmia2 February 5
Water spraying from valve. Why?

Sado117 51 views 1 comment 0 points Most recent by Larry Weingarten January 28
DHW Heatpump with modcon combi

andyvt 75 views 2 comments 0 points Most recent by hot_rod January 28
Rinnai RUR160i intermittent "dropping the ball" during showers, with bizarre codes

Smithery 83 views 7 comments 0 points Most recent by psb75 January 27
Navien combi boiler systems

FrankCesca 194 views 4 comments 0 points Most recent by Daveinscranton January 25
Assistance in sizing indirect with boiler

smar 121 views 5 comments 0 points Most recent by Zman January 24
Koven water heater

TimK865 193 views 22 comments 0 points Most recent by Larry Weingarten January 23
On-demand propane boiler backdraft

juskin 134 views 9 comments 0 points Most recent by EBEBRATT-Ed January 22
why is water flowing backwards through a 006-B4?

Tomato 111 views 12 comments 0 points Most recent by hot_rod January 22
Oversized combi for when we take over other unit?

HomeownerDustin 101 views 15 comments 0 points Most recent by hot_rod January 22
Mixing Valve to get more hot water use

ambert 118 views 4 comments 0 points Most recent by JUGHNE January 21
Peerless hot water boiler leaking

ranzerox 111 views 5 comments 0 points Most recent by ranzerox January 20
Taco zone valve wiring

red69viper 374 views 14 comments 0 points Most recent by Zman January 20
Rinnai R85e, no power to controller, no hot water

Robert_Sorenson 4.3K views 3 comments 0 points Most recent by Jamie Hall January 15
High temp electric water heater thermostat

426hemi 224 views 21 comments 0 points Most recent by Jamie Hall January 13
Commercial Hot Water

pecmsg 391 views 19 comments 0 points Most recent by Erin Holohan Haskell January 12
Descaling a tankless water heater

csigona 272 views 13 comments -1 point Most recent by Derheatmeister January 10
On demand WH problem.

jhilly 142 views 11 comments 0 points Most recent by jhilly January 9
Water heater vent choice suggestions

Jeffrs 31 views 1 comment 0 points Most recent by Larry Weingarten January 6
Buderus DHW prod error

DeanG 316 views 5 comments 0 points Most recent by DeanG January 5
New water heater installed, hot water smells like oil

merrymerry 472 views 9 comments 0 points Most recent by HVACNUT January 3
Viessman Vitola Boiler

Linden 176 views 11 comments 0 points Most recent by Derheatmeister January 1
DHW Overrun

edwardjohnson07 62 views 2 comments 0 points Most recent by Zman January 1
No power to the unit or remote

Dudeus4007 71 views 3 comments 0 points Most recent by Larry Weingarten December 2021
Need circulator advice

bigdee4444 81 views 4 comments 0 points Most recent by bigdee4444 December 2021
Using Heat pump water heater for basement dehumidification

PC7060 326 views 20 comments 0 points Most recent by Larry Weingarten December 2021
Expansion tank not taking the extra pressure.

MikeAmann 551 views 59 comments 0 points Most recent by MikeAmann December 2021
Ruud thermostat won't kick on burner properly

Michael O'Neill 82 views 11 comments 0 points Most recent by Larry Weingarten December 2021
Will a circulator on return damage a Amtrol Boilermate?

fiddler 101 views 5 comments 0 points Most recent by EBEBRATT-Ed December 2021
Heat Pump Water Heater Yes or No?

sixstars 191 views 13 comments 0 points Most recent by ethicalpaul December 2021
Whole house: water either too hot, too cold, or sometimes just right

Clooless 114 views 11 comments 0 points Most recent by Clooless December 2021
Indirect with cold start boiler

spd1980 212 views 14 comments 0 points Most recent by mattmia2 December 2021
Wm aqua logic leaking from the sensor well

Kasia 31 views 6 comments 0 points Most recent by Jamie Hall December 2021
Does water heater have some years left?

dvi2020 161 views 15 comments 0 points Most recent by Derheatmeister December 2021
Water heater for shop sink

Voyager 256 views 12 comments 0 points Most recent by Voyager December 2021
Type B question

cp1 185 views 13 comments 0 points Most recent by Larry Weingarten December 2021
BTH-400A

heidleml 101 views 5 comments 0 points Most recent by Rich_49 December 2021
Hot Water Runs Out

spd1980 424 views 50 comments 0 points Most recent by spd1980 December 2021
Help me diagnose no hot water problem

bdl 231 views 33 comments 0 points Most recent by bdl December 2021
Lochinvar Noble Combi 199--- very little hot water

TBL 62 views 2 comments 0 points Most recent by Tom_133 December 2021

/* * These styles apply ONLY to the header and footer assets. */ * { padding: 0; margin: 0; box-sizing: border-box; } .DataList .Item .Title a { color: red; } .footer { background: #f5f5f6; color: #555a62; font-size: 14px; line-height: 1.5; padding: 18px 0; } .footer-wrap { padding-left: 18px; padding-right: 18px; max-width: 1236px; margin: 0 auto; } .footer a { color: #0291db; } .footer a:hover { color: #0276b3; } .footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; margin: -3px; } .footer-col { padding: 0 3px; } .footer-col-copyRight { justify-content: flex-start; } .footer-col-logo { justify-content: flex-end; } .footer-col-copyRight, .footer-col-logo { flex: 1; display: flex; } .logo { width: 120px; height: 28px; opacity: 0.6; } @media screen and (max-width: 768px) { .footer-row { display: block; } .footer-col { width: 100%; text-align: center; margin: 6px 0; } .footer-col:first-child { margin-top: 0; } .footer-col:last-child { margin-bottom: 0; } .footer-col-copyRight, .footer-col-logo { justify-content: center; } .logo { margin: 0 auto; } } #HeaderAds { margin-bottom: 1rem; } /* header links */ #navigation-bar { box-sizing: border-box; display: flex; flex-direction: column; margin-left: auto; margin-right: auto; max-width: 1264px; padding-left: 20px; padding-right: 20px; position: relative; width: 100%; } @media (max-width: 806px) { #navigation-bar { padding-left: 0; padding-right: 0; } } #navigation-bar nav { padding-right: 0; position: relative; z-index: 1; float: none; display: flex; flex-direction: row; justify-content: flex-end; width: 100%; } #navigation-bar nav ul { background: none; } #navigation-bar nav li { display: inline-block; height: 37px; line-height: 37px; font-size: 14px; font-weight: 300; } #navigation-bar nav a { display: block; padding: 0 15px; color: rgb(228,104,34); text-decoration: none; } a.mrc-button { background: rgb(228,104,34); color: #fff!important; } /* Social links in footer */ .social-footer { background: rgb(228,104,34); text-align: center; } .social-links { display: flex; justify-content: center; list-style: none; padding: 50px 0; } .social-links a { display: flex; align-items: center; justify-content: center; padding: 0 20px; color: black; text-decoration: none; font-weight: 600; font-size: 20px; } .social-links a:hover { text-decoration: underline; } .social-links svg { margin-right: 10px; } @media screen and (max-width: 768px) { .social-links { flex-direction: column; } .social-links a { margin-bottom: 10px; } } /*# sourceMappingURL=styles.css.map */