header image

Welcome to ZOZEN

ZOZEN is one of the best modern boiler manufacturers in China, our products include steam boilers, hot water boilers and thermal oil heaters. ZOZEN boiler is located in Wuxi, covers 150 thousand square meters of production area, equipped with first-class production equipment, passed the ISO9001:2000 international quality system certification. The company gained the " S " and " U " steel seal from ASME of US.

Customer service

If you run into any problems with the boiler, please contact us directly by email or fill out the online service request. We will do our best to resolve any problems you might have within 24 hours.

In case of special condition, ZOZEN will forward your request to one of its partnered sales representatives depending on the country and state. The local maintenance personnel will arrive at the customer site as soon as possible.


Having a problem with a gas boiler. The boiler shu

Having a problem with a gas boiler. The boiler shut-off after it runs for a while. The gas valve shuts-off with the pilot. The boiler has to be re-light to produce heat. then it shuts-off after it heats up. The gas valve has been change twice along with the thermocouple. the thermocouple is producing 27 volts and seems to be working fine.

xuyi@zozen.com >

Get A Quote >

Steam amp; Excursion gt; Shutting down a steam locomoti

OK, the day is over. The passenger cars are dropped at the depot. The locomotive has been run back to the roundhouse. Now what? Fuel is shut off and fire dies off. Locomotive steams into roundhouse stall with left over steam? Water is drained? If so, when? If the

xuyi@zozen.com >

Get A Quote >

can you shut off the water to your home but still ru

can you shut off the water to your home but still run the hot water furnace no go - both legally and from a practical standpoint, and cutting of water to the boiler could also void insurance coverage for any resulting damage. more in a system that tends to generate a lot of steam or air bubbles in the loops. Therefore, if you shut off

xuyi@zozen.com >

Get A Quote >

WNS SteamBoiler in English Versio

2014-9-16 · VII. Supply steam: When the pressure in the boiler close to work pressure, blow off steam to the air. The water level can not up to the normal water level before steam supply, keep steady of the boiler drum combustion. Keep the total steam valve open to heat

xuyi@zozen.com >

Get A Quote >

STEAM BOILER OPERATING AND MAINTENANCE MANU

2018-3-1 · 7. Issues to be Consider During the Working of Steam Boiler. 8. How to Shut Off the Steam Boiler. 9. Possible Failures and Trouble Shooting. 10. General Warnings and Precautions. 11. Water Liquidation Device. 12. Technical Information. 13. Forms. 1. INTRODUCTION Please examine this manual carefully to run your steam boiler comfortably and long

xuyi@zozen.com >

Get A Quote >

Add a hot water loop from steam boiler | Hvac Pr

2007-12-5 · Add a hot water loop from steam boiler. Discussion in 'Residential' started by Maineiac, Dec 5, 2007. The trouble is, when the pump is shut off, its pressure vanishes. When that happens, the hot water in the radiator can flash to steam, creating a racket in the radiator and driving the water back down to the boiler. How to Run a Hot

xuyi@zozen.com >

Get A Quote >

Should I Turn My Furnace Off Over the Summe

2019-11-23 · Turning off your oil furnace or boiler for the summer, however, has some risks: Moisture is the greatest threat to an inactive boiler. Because your boiler is shut off and inactive, it becomes cool, which makes it a prime location for water to condense, especially if your basement is prone to being damp in the summer.

xuyi@zozen.com >

Get A Quote >

Steam Boiler Sight Glass FAQs Use, Fix, Repair th

Steam Boiler Sight Glass Cleaning, Use amp; Repair FAQs. The steam boiler sight glass or water level gauge allows the building owner or maintenance person to monitor the required water level in the steam boiler. A mark on the boiler body indicates the desired normal water level and a sight glass shows the current water level.

xuyi@zozen.com >

Get A Quote >

Boiler Basics Part 3 - Steam - HVAC Scho

The switches control the feed pump that feeds the boiler from the condensate tank, and can be configured to shut off the boiler if the boiler water level gets too low, too high, and can activate an alarm circuit. Smaller steam boilers require a similar device, and there are many varieties out on the market.

xuyi@zozen.com >

Get A Quote >

Boiler Shutdown, - Banks Engineeri

2012-11-3 · Boiler Shutdown, Standby and Storage - Courtesy of Rentech Boiler Systems. Suggested Shut-Down. When the unit is taken out of service, good care of the boiler during the idle periods is mandatory to prevent unnecessary corrosion damage. Gradually reduce load and run

xuyi@zozen.com >

Get A Quote >

Troubleshooting Steam Heating Boiler Problem

2010-7-9 · Troubleshooting Steam Heating Boiler Problems many steam boilers have a low water cut-off valve that senses when water levels are dangerously low and turns off the burner beneath the boiler. If the boiler ran low on water, was refilled, but the burner will not turn back on, it is likely the low water cut-off valve needs to be reset

xuyi@zozen.com >

Get A Quote >