Reznor Udap-400 Power Vented Gas Fired Unit Heater - Ng - 409 Stainless Steel Heat Exchanger - 400,000 Btu Review Sep 03, 2016

I have owned this same 400k btu unit for 8 years and it is the best purchase that I have ever made. It is used in a commercial setting and has never had a problem or service call. Reznor quality is second to none and definitely worth the extra cost.

Modine Hsb-47 Oct 25, 2016

This is a well made product, made in the USA. Does what it is advertised to do.

Thank You For Friendly Service Jan 10, 2016

Thank you, good product!

Reznor Udap Series Jul 27, 2016

We purchased 75,000, 120,000, 150,000, and 200,000 BTU units, 28 units in total. The 83% efficient rating helped us offset the cost of the upgrade by being eligible for a rebate from our utility. All heaters were installed and work beautifully. The heaters look great! They are installed in a warehouse with great WIFI access so we controlled all 28 individual heat zones using 28 WIFI thermostats from Honeywell. Couldn't be a happier customer! Now management has control of all 28 heaters with... more

Great Stuff Sep 20, 2016

I have used this product before. I would not do a shower using any other product. You spend a lot of time and $ doing a new shower, you should do it right. With this, I know everything is sloped properly, the products fit together and it will be waterproof. We used the shower for a few weeks while tile was on its way last time as the shower is watertight, even without tile.