takagi

Hello - just bought a new Takagi T-H3S-DV-P to replace a smaller Takagi that could barely handle our hot water demand. When running the shower, if another appliance came on, it greatly reduced hot water availability. Anyway, the old unit was rated for 6 GPM and 140k BTU. New unit is rated up to...

Received heater from someone who installed it above altitude max. Had error codes. Gift yeah:/. looking at instruction manual shows simple electrical install. now, this looks like a bottom junction box with two wire nuts to secure 120v +ground. There are not any wires available on mine...

Hi I have a T-K3 tankless heater using LP gas (no remote). It is in a vacation home mounted outside (recessed box) so gets relatively little use (in Napa, CA so mild winters). Hadn’t used it in while 3-4 months. When I turned on the hot water tap, it would fire up and produce hot water (and hot...

I have a standard Takagi TK-03-os ( https://www.takagi.com/media/48120/T-K3-OS.pdf ) tankless unit. I'd like to flush it, but there's no cleanout or valves. However, I can do this if I can adapt and screw into the filter port. Anyone done this, and know the size and threading of that port...

Howdy, I am getting ready to install a Takagi T-K4-IN tankless water heater in my basement. I've ordered and received the Category III venting pieces, including back flow preventer, 90 degree elbow, wall thimble, and terminator hood. My original plan was to mount the unit to the concrete...

I have a Takagi tankless water heater that has had 4 failures to ignite over a period of 1-2 months. It is a T-H3-DV-P which burns propane and has outdoor intake & exhaust. In each case when I discovered the problem it showed error code 111. To remedy the issue all I needed to do was turn it...

Hello, I've got a question I'm hoping someone with more experience in tankless heaters can help with. I'm doing an install of a Takagi 310c series heater. It calls for concentric vent pipe made by a certain manufacturer. Has anybody used pipe from a different manufacturer? It looks like the only...

In getting quotes I'm getting different recommendations. IBC has been the most recommended. Any feedback? We have a 1800 sq ft house, two full baths and live in Vermont. Is Takagi really sized for heating? We have one for on-demand hot water and it's served us well.

I have a TK-3 installed and am considering installing a UPS on the AC power line to the unit. This would provide a power backup for a limited amount of time should we loose power. It is unlikely that we would lose our natural gas supply and electrical service at the same time. I have a number...

I have a 15+ year old Takagi TKD20 that suddenly stopped working this evening. No Green/Red light, GFI seems operational when I trip it. Also, both fuses are in tact. Bad Circuit board? Thanks for any ideas, Steve

I moved into a house about 1.5yrs ago and in 2006 a Takagi T-KJr was installed to heat the water for the faucets and shower only. Last week it just stopped working, at first no water was coming out the faucets at all then later on that same day we got water but it wasn't heating up. I took off...

Just read Monty's nightmare with his Takagi unit in 2006. Eleven years later. WTF, has there been no improvement whatever to this company's products?! The box of nightmares in my utility room has finally driven me completely insane. If I only had a shotgun...

My wife and I just had our old water heater replaced with a Takagi T-K4U-OS-N. When showering, I noticed the system tends to go from hot to luke warm to cool and then back to hot again. Also, when we initially ran a bath for our daughter, the water started out hot then just went completely cold...

This morning I found myself with no hot water and found the 111 error on my Takagi TH-3. It sounds like the gas valve solenoids are functioning and I believe I hear the ignitor very faintly (hard to hear over the unit). I'm not seeing any spark or flame. I've had the unit about 22 months and...

I'm looking into getting a Takagi outdoor tankless unit and I'm thinking about installing in my crawl space. The crawl space is conditioned but the access to it is outside, so temps can get pretty cold down there. I wanted to do an outdoor unit to eliminate the existing venting up into the attic...