Grundfos Booster Pump

Grundfos Booster Pump
– A Review

Whole House Hot Water Recirculating System

grundfos booster pumpA booster pump or whole house hot water recirculating system is a nonsubmersible pump designed to bring hot water to your kitchen and bathroom faucets without having to run and waste water for several seconds waiting for it to get warm. How well a water circulation pump depends on many factors of your household; size of hot water heater, pipe length, distance of pipes from hot-water heater, and last but not least, temperature and climate. Before I had a Grundfos circulation pump, it required over a minute for the water coming out of my kitchen faucet to get warm first thing in the morning. I was constantly filling pots as the water ran, as to not waste so much water. I had heard about hot water recirculating systems before, so when I had a new hot water heater installed last summer I decided to finally give one a try.

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Kobalt Battery Powered Lawn Mower

Kobalt Lawn Mower – 4 Year Update

After over 4 years of ownership, I felt it was a good time to provide some updated information on the Kobalt lawn mower. My original and complete review on the Kobalt lawn mower can be found, here. Since I purchased the 40 Volt, 20″ model in 2014, Kobalt has some new 80 Volt Mowers. Meanwhile, my own experience with the 40V Kobalt has been nothing but positive since publishing my original review on April 27, 2014. My lawnmower had continued to offer me flawless, trouble-free performance. I recognize, however, from the feedback below that not everyone has had such a trouble-free experience.  The main source of complaints seems to stem from battery issues.

Kobalt Battery Problems

Some users have reported that the mower stops working for no reason. They remove the battery or place it into the 2nd compartment on the mower and it works fine again for a while. I think I can shed some light on at least half of the issue and that is with the actual batteries, themselves: Since buying the rechargeable mower, I have purchased two other Kobalt products which use the very same batteries: The Kobalt Hedge Trimmer and the Kobalt Leaf Blower.  I now have a total of 5 batteries; 4 of them are the regular, 2Ah, and one is the 4Ah Long Run Battery.  In the past year, one of the 2Ah batteries has begun demonstrating the same symptoms described in the comments below. Whatever device I am using, whether it is the Hedge Trimmer, Leaf blower, or lawn mower will suddenly shut-off for no reason. I can get it to power up again by removing the battery and giving it a hard slam back into the battery compartment. This very same battery also has trouble charging inside the battery charger. Instead of the normal green flashing light, a red light will appear on the battery charger. The other batteries work fine. Since then, I have marked the problematic battery with a red, Sharpie.  This might not explain everyone’s problem with the Kobalt lawn mower, but it could be a simple solution for some of you who are having power issues. Maybe you simply need Kobalt to replace your battery. Give Kobalt a Call.

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Ryobi 40-Volt Lithium Ion Cordless Grass Trimmer


Ryobi Lithium ion 40-Volt Grass Trimmer

The Ryobi RY40210, 40-Volt Lithium-ion Cordless String Trimmer/Edger is a beast. I have struggled with a Black & Decker, Ni-Cad, cordless grass trimmer for the last 7 years. My main complaints were low-power and short battery-life. Still, I tolerated it because I enjoyed the convenience of cordless, no-gas, easy and less, time-consuming start-up times. My third complaint, however, is something I have with 95% of all grass trimmers: the string line doesn’t always feed properly and seems to disappear way too quickly. My prior, gas-powered trimmer was way too heavy and burdensome, so I actually considered getting another electric, corded weed trimmer. Then, I asked myself a question: Do they make a lithium, ion cordless grass trimmer that is as powerful and impressive as the Milwaukee Impact Driver and Drill I purchased last February? Wouldn’t a battery-powered weed eater that was powerful and long-lasting enough be the perfect solution? Do they make such a thing?

Battery Powered Trimmers vs. Electrical Cord Grass Trimmers

The Ryobi 40-Volt Lithium Ion Cordless Grass Trimmer is replacing my Black and Decker Hedge Hog which just doesn’t hold much of a charge any more. My initial guess was that it would be more difficult to keep a grass trimmer running long and powerful enough since it requires more consistent operation than a drill or impact driver. With a drill or driver, you’re using only quick bursts of power where-as a grass trimmer requires long, sustained operation. I did some research and was surprised to find that there are a number of lithium-ion powered grass trimmers on the market that advertise a full 20-40 minutes of uninterrupted, full-power, grass-trimming operation. My Ni-Cad, Black and Decker only lasted 10 minutes per battery and was never all that powerful at full charge. But, if I could get a high-powered, long-lasting cordless trimmer, I concluded that was the superior way to go! Besides, I really only needed a good 30 minutes of full power to get a flawlessly trimmed lawn…or, so I thought. That was before I discovered the 40-Volt RY40210 trimmer by Ryobi.

Long Lasting Lithium Battery Power

To tell you the truth, I am unsure how long this battery will last because I have yet to even come close exhausting it. I spent at least 45 minutes using it on full power the first day I used it. After 45 minutes, the battery indicator was still at full charge. Length of battery-charge was not the first thing that impressed me with the Ryobi grass trimmer, however.

40-Volt Lithium Ion Battery offers Unprecedented High Powered Performance

I was almost shocked by the high-speed growl when I first pulled the trigger switch all the way down on the RY40210. I cannot imagine a gas engine providing more horsepower. The Ryobi gives you an incredible amount of RPM – more than you’ll ever need for basic grass trimming tasks. In fact, I was so taken-aback by the sheer, raw power of the 40-Volt engine that it took me a while to actually learn how well it operates.

Setup an Operation of the Ryobi 40-Volt Lithium Ion Cordless Grass Trimmer

Thanks to my absent minded ways, the Ryobi grass trimmer did probably take me longer to assemble than the average person. Still, it was a relatively easy and pain free experience and I was up and running in about 25 minutes. The remarkable power of this unit fascinated me so much that I didn’t read the instructions as clearly as I should have. I didn’t realize that I needed to release the power trigger a full, 2 seconds in order to allow the string to feed. Consequently, I ended up losing all the string inside the reel. Dreadfully, I had to open the spool and that is when I had the old familiar mess of tangled line. Once I got the thing re-strung and working properly, I began to get the hang of using the machine properly. The Ryobi RY40210 pivots for edging and has a wheel to help guide you along the edge of your line. I must say it works far better than any other dual-purpose grass trimmer that I’ve used for edging in the past. As a grass trimmer, standard, long blades of grass and weeds are no challenge for the powerful 40-Volt motor of the RY40210. Nothing can get in the way of this machine. When I think back to those down the aisle at Home Depot, who picked out gas trimmers that cost $100 more, I can’t help but to think they made a huge mistake. All is not perfect with the Ryobi 40-Volt Lithium ION Trimmer, however:

I still have my doubts and concerns with the old-fashioned, spool and string. I get the cold sweats every time I have to think about re-stringing a weed trimmer. This one appears to be no different than the other one that I had problems with, but then again, that could be said about any trimmer. My other slight, complaint is the weight and size of the 40-volt battery. There is a reason it lasts so long and provides so much power and you can feel it on your back after you’ve used it for a significant length of time. On the other hand, could the weight of the battery possibly be any worse than lugging around a gas engine? Last, I am disappointed that Ryobi does not make a more powerful grass blower for use with the 40-Volt battery. It would be the perfect compliment to the extra charge that is still available to me after trimming the lawn. Ryobi does make a leaf blower that works with the 40-Volt battery, but actual users complain that the power of the unit is disappointing and completely under utilizes the strong capabilities of such a strong, impressive lithium ion battery.

Conclusion and Final thoughts on the Ryobi RY40210 Grass Trimmer

If not for the few complaints above, I would give the Ryobi 40-Volt Lithium Ion Cordless Grass Trimmer a perfect, 5 stars. Still, I cannot imagine a grass trimmer/weed-eater/lawn edger that would satisfy my needs better than this one. I’ll take a high-powered, long-lasting battery over a cord or gas engine any day. The Ryobi Lithium-Powered Weed Eater and Edger is one of the better outdoor tools I’ve purchased in many years. I highly recommend.