Questions tagged [condensate]

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Edge/corner guard for a vinyl tube?

I have a vinyl tube that runs from condensate drain pump in the basement through the floor into a washer standpipe. It goes over 1-2 corners (not sharp ones) but the vinyl tube still looks very ...
divB's user avatar
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1 vote
0 answers
57 views

How to deal with crowded floor drain?

Problem My 3" basement floor drain has 10 pounds of... stuff in a 5 pound bag: ¾" air handler condensate drain (hard-piped to air handler) ¾" furnace condensate drain (open air gap) 1&...
Jonathon Reinhart's user avatar
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0 answers
41 views

How to add condensate drain to this small section of cast iron/PVC sewer line?

I am looking for a way to connect a condensate drain line (pump from HPWH and HP) to this sewer part: The bottom part seems to be cast iron, the top part PVC. I do not know how they are connected. If ...
divB's user avatar
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0 votes
1 answer
426 views

Draining Dehumidifier through window

We are getting a dehumidifier for our basement and attaching it to a condensate pump. We would like to drain it out the window, but we want to know how to do that without having the window needing to ...
Mel's user avatar
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1 vote
1 answer
30 views

Can an air handler condensate line trap be relocated to the basement?

I have an HVAC air handler in the attic above the second floor of my house. It is difficult to get access to the air handler without moving furniture and bringing an extension ladder up to the second ...
Elliot Alderson's user avatar
3 votes
2 answers
2k views

Should water be dripping from my furnace condensate line onto the basement floor?

I recently had a Lennox A/C and furnace installed. The condensate line drips water into the basement floor drain, as my old one did. But now there's also a little side vent in the line that is also ...
jewbix.cube's user avatar
1 vote
2 answers
3k views

What is this black bug with wings (pictured) coming out of my A/C condensate line floor drain, and how do I get rid of it?

I observed hundreds of this small insect outside and inside my laundry room on the ground level. They appear to be coming from a floor drain in the laundry room (more detail below). I am confused ...
zminster's user avatar
1 vote
1 answer
398 views

Can I use the TPRV line as a condensate line for a new heat pump water heater install?

I live in a second floor condo. I want to replace my aging water heater (WH) with a hybrid, but there are some concerns. The current heater is in a closet outside, with door access from the balcony. ...
johnofcross's user avatar
1 vote
2 answers
53 views

condensate line [closed]

2nd floor condo unit sharing condensate line with 1st floor. 1st floor installed condensate pump now my condensate safety continuously goes off as there is water by the safety. We have had the ...
user162113's user avatar
1 vote
1 answer
63 views

Carrier Model 59MN7A080Vxxx high efficiency gas furnace has internal rust - remove? coat? treat?

Our carrier high efficiency gas furnace was not checked for many years and has internal rust on panels due likely to a clogged drain tube causing condensate to drip inside furnace (see photos). No AC ...
Armand's user avatar
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2 answers
263 views

Where should I add another condensate drain?

My water heater (GE Smartwater GG50T06AVG00; natural gas; 50 gallon) is over 18 years old and is no longer operating properly. I am strongly considering replacing it with a Heat Pump Water Heater (...
Moshe Katz's user avatar
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3 votes
1 answer
166 views

Draining into open pipe in basement

When I bought my home, the basement dehumdifier hose was just draining into an open wye off a drain pipe in the floor which also goes up to the kitchen sink drain. Since then, when I had air ...
Michael Mior's user avatar
4 votes
1 answer
87 views

Should I reroute this drain tube inside my HE gas furnace? [closed]

My furnace, a high-efficiency gas model from Rheem, is about 5 years old. I recently had to replace one of the pressure switches and so I was looking around the inside of the furnace. There is a ...
bitsmack's user avatar
  • 1,147
1 vote
1 answer
281 views

How far up a condensate line can sewage backflow go up into an HVAC system?

I have a Rheem 86V in the up flow configuration. I had some sewage backup in my basement and it looks like some of it went up my condensate line into the HVAC because there was no air gap. I noticed ...
MonkeyBonkey's user avatar
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1 vote
1 answer
342 views

Heat Pump Condensate Safety Switch Wiring Question

I recently purchased a simple condensate overflow safety switch (Rectorseal 97647) to install in my attic air handler unit. I currently have the switch installed on the red wire, but do notice the ...
James's user avatar
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0 votes
1 answer
90 views

HVAC inside unit water leaking

I have an HVAC unit that has two parts. The first is the outside unit that is the compressor. In my basement, I have a second unit (I think the heating and forced air components). Attached to the ...
jason's user avatar
  • 169
2 votes
1 answer
586 views

Rust in condensate drip pan

I have a 5 year old high Efficiency Carrier HVAC system. Been having some moisture/condensation issues and was snooping around and noticed quite a bit of buildup of rust in my AC condensate drip pan. ...
Mr. le's user avatar
  • 21
0 votes
2 answers
198 views

A/C Evaporator Coil - Water dripping from unknown fitting

I noticed some water dripping from my A/C's secondary condensate drain. The primary condensate drain line still has what seems like a normal flow of water coming from it, so I don't think it is ...
TeeRaff's user avatar
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0 votes
1 answer
2k views

Condensate Pump For Water Heater?

I just learned that my water heater can release water onto the floor via a pressure relief valve. I've cleaned up the mess (the valve is working fine, I just didn't notice the tiny cup previous ...
b.angle's user avatar
0 votes
0 answers
2k views

Connecting HVAC Condensate Line Directly To Sewer

I am trying to figure out if I can get rid of my HVAC condensate pump. It looks like I can attach the P-Trapped condensate line to another P-trap line but can I connect it directly to the sewer line ...
walksonair's user avatar
3 votes
5 answers
2k views

furnace condensate - system to collect and then drain periodically

We have a condo in Northern WI that gets used sporadically over the winter, we keep the furnace running at a low temp while we are not there. Last winter the furnace condensate draining into the ...
Guy Starbuck's user avatar
-1 votes
2 answers
293 views

Should I make holes in condensate pump's basin?

One of our air-conditioners is supposed to drip condensate into a pump, which is then supposed to push it outside. Nothing extraordinary, and it mostly works... Because not all water drops into the ...
Mikhail T.'s user avatar
0 votes
2 answers
167 views

Condensate drain line corroding foundation. Looking for solution

Our furnace is in an attic, above a two story home. The installed condensate drain runs to an outside wall and drips. The slightly corrosive condensate drips onto a piling with a steel connection ...
Silver1210's user avatar
1 vote
1 answer
2k views

Is it safe to tie a water heater pressure release pipe into an HVAC condensate drain line?

The current setup in my basement has a long pvc pipe going from the HVAC system to a floor drain about 8 feet away. When I had a new water heater installed the plumbers put in a drain pan underneath ...
5E4ME's user avatar
  • 309
0 votes
0 answers
146 views

How to shorten this pipe from AC condensation pump?

I have a mini-split AC unit with a built-in condensation pump. This pipe is connected, but it goes down and up like a U. The manual says it must go upwards to prevent water from pooling in the pipe. ...
projectshave's user avatar
3 votes
1 answer
176 views

Should condensate pipe go below vent and how?

Need to lay condensate pipe from the boiler room to the waste pipe, on the other side of my flat. Will use condensate pump and use loft as proxy. I want to drill through ceiling from my boiler storage ...
JohnyC's user avatar
  • 111
1 vote
1 answer
10k views

AC drip pan not draining until p-trap cap is opened

We had our AC replaced and have been having some issues. Currently it seems like the drip pan isn't draining until I pop open one of the clean out ports on the higher level on the p-trap that was ...
StarterMansion's user avatar
1 vote
2 answers
293 views

Why doesn't my condensate pump drain very well?

I'm working on a crawl space encapsulation. One of the last steps for me to do is to setup a dehumidifier. I bought a Santa Fe Compact 70 and a condensate pump to go with it. I'm discharging it about ...
Eric's user avatar
  • 243
0 votes
2 answers
2k views

Can the condensation line (using a condensate pump) of a basement hybrid water heater be connected to a waste line directly above the water heater?

The water heater is an 80 gallon Rheem Hybrid Heat Pump device. The waste line that is directly above the water heater is a 3” Schedule 40 pipe that feeds into a 4” Schedule pipe that goes to the ...
Ken M's user avatar
  • 1
36 votes
9 answers
12k views

Can I gain AC efficiency by spraying condensate water on the outdoor coils?

Recently, I was working from the basement and I noticed tonnes of condensate water going down the drain, and thought I might re-use it to improve the efficiency of my home AC system. So I put a ...
Billy left SE for Codidact's user avatar
0 votes
1 answer
3k views

Help! Condensate pump is so loud and working when minisplit is off

Help! New homeowner here. We have a carrier minisplit in our bedroom, which works well. We live in a rowhouse (so two brick walls on the side), so a condensate pump is used to pump water onto the roof ...
Erin's user avatar
  • 1
1 vote
4 answers
1k views

Central A/C Draining Causing Stagnant Water - Dry Well?

I have a central air system with a condensate drain line that exits my home near the actual AC compressor on the side of my house. The original installers put in a cement cylinder that the line ...
mrwiseguy85's user avatar
1 vote
1 answer
2k views

Natural Gas Tankless water heater condensate volume

I'm looking to install a Natural Gas Tankless (condensing) water heater (likely Navien 240). I am planning the drain line (which will have a neutralizer on it to reduce the acidity). The installer &...
John's user avatar
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1 vote
0 answers
50 views

How to further troubleshoot a problem with my condensate pump?

During a recent trip to be basement I noticed that the floor was wet under my condensate pump. This pump collects the water from my water heater but it's powered through my boiler. There was a lot of ...
Diego Alonso's user avatar
9 votes
3 answers
8k views

Central Air condensate is pumped into a hole in the basement floor?

I’ve tried to do some research on this topic but am a little confused and would like to know if I’ve got a problem here that I need to remedy. I think I want to install a self-draining dehumidifier in ...
BooleanCheese's user avatar
1 vote
1 answer
1k views

HVAC Condensate Line P Trap

I've consistently experienced issues with my AC. I won't get into all of the background, but I would like to know if the pictured condensate line is appropriately trapped. The vertical PVC pipe is not ...
Cmu47Chip's user avatar
0 votes
2 answers
109 views

What is this strange valve/trap from my boiler to condensate pump?

I have a condensate pump attached to a valiant combi boiler with the usual pvc pipe turning into it (removed in picture, but works fine going into the point behind the copper pipe here), with the also ...
Philip's user avatar
  • 111
0 votes
0 answers
65 views

Drain Hose - Reverse Water Pressure in Standby

I have 5 drain hoses from various appliances (dishwasher, laundry washer, AC condensate, water softener, water filter) that all have the standard regulated air gap to a sink. I imagine drain pumps on ...
bobuhito's user avatar
  • 165
0 votes
2 answers
290 views

What is the dynamic head capacity of this pump?

I am looking to buy a condensate pump that can push water 20' away ( I need to circumvent the fact that I can't slope a drain through the ceiling so I need the pump to push 8' up and then another 10' ...
MiniMe's user avatar
  • 3,402
0 votes
2 answers
1k views

Looped air conditioner condensate line not draining?

Using our split air conditioner for the first time, the wall unit started dripping water. Its condensate tube runs through the wall into an adjacent attic and then into the DWV vent stack. The tubing ...
StayOnTarget's user avatar
  • 5,545
1 vote
1 answer
1k views

Just put calcium carbonate rocks in my condensate water pump or buy a whole condensate kit?

Can I just put some calcium carbonate rocks in my Beckett water pump (see photo of pump, below) to neutralize the HVAC condensate, or do I have to spring for a whole assembly, like this (The refills ...
Yehuda_NYC's user avatar
  • 1,361
0 votes
4 answers
1k views

What is this rubber tubing called?

What is this rubber looking elbow here called and where can it be purchased? It's the black part that is fastened to the 3/4" pvc using hose clamps. For some context, this is a condensate drain on an ...
Ryan Gates's user avatar
0 votes
0 answers
734 views

How to newly wire furnace condensate pump that contains a safety switch?

I would like to replace my current Little Giant furnace condensate pump that has no safety switch with the Little Giant VCMA-15ULS, 65 GPH Automatic Condensate Removal Pump w/ Safety Switch - SKU ...
John Endopax's user avatar
-1 votes
2 answers
3k views

Need help with wiring to thermostat and condensate pump

I've searched a lot and can't quite find what how to solve this one. I installed an ecobee smart thermostat, which didn't work with 5 wire connection so I switched to their PEK module with only 4 ...
Gil Cohn's user avatar
0 votes
0 answers
36 views

Hvac condensate line not draining, New ac system

Hi so I just purchased a house. It was a bank foreclosure. The bank installed a new ac unit. The ac wasn't running in day one. I figured out it was bc the condensate line wasn't draining properly. The ...
user avatar
0 votes
0 answers
205 views

split system air conditioner condensate hose

I need to buy and install a split AC and I have a small issue. The AC has two copper pipes for refrigerant gas to flow through and one hose to eliminate condensation water, and normally, the hose ...
Pips's user avatar
  • 177
0 votes
1 answer
4k views

Two HVAC units on one condensate drain line

I am renting a house with two HVAC units - one upstairs and one downstairs. There were two condensate drain lines (one per unit). The units were older so when they quit working efficiently the ...
Rebecca's user avatar
1 vote
1 answer
3k views

Overflow line tied with Condensate Line

had a house inspection done and the inspector told that Irregular materials were used, I am attaching a pic. how much work is it to repair it? is it a easy fix? Thank you
Luis Escobar's user avatar
0 votes
2 answers
416 views

Why is there a drain trap high on a wall above an air gap?

I realize this question is not about "home" improvement but as I had to deal with drain and vent lines recently, I was curious to note this installation at the Costco. There is what it seems a ...
Alessio Sangalli's user avatar
2 votes
1 answer
8k views

Tankless water heater plumbing: neutralized condensate and pressure relief valve

Hello recently my old 50gal gas water heater developed a crack and started leaking. I replaced it with a tank-less gas heater. Everything is good, I installed the proper intake an exhaust with 3in ...
Alessio Sangalli's user avatar