Is Lochinvar a good boiler?

In our member survey of 16 brands of boilers, Lochinvar earns a middle-of-the-pack rating for predicted reliability but high marks for owner satisfaction. Consumer Reports does not test boilers at this time.

How long should a boiler run?

As a general rule, the combination of boiler run time and off time should never be any less than 10 minutes. This principal goes back to our earlier blog on Specific Heat. Remember, for every Btu that you add to a pound of water, you will increase its temperature by 1 degree.

How do you clean a Lochinvar heat exchanger?

CLEANING THE HEAT EXCHANGER

1. Remove the burner as above.
2. Use a vacuum cleaner to remove any accumulation on the heating surfaces.
3. Finish cleaning using a clean cloth dampened with warm water.
4. Reinstall the burner.
5. Close isolation valves on piping to isolate the appliance from the system.

What is the best temp to set my boiler?

If you have a conventional boiler system, your water cylinder will have its own thermostat. This is usually fitted on the side of the tank. You should set the temperature between 60 and 65 °C but for maximum efficiency, it should be set to around 60 °C.

What is the failure rate of Lochinvar ftxl boilers?

We have installed 14 of these Lochinvar FTXL boilers in the past 2 years, with 10 heat exchanger failures – an over 80% failure rate. There seems to be a serious design problem with this boiler’s heat exchanger.

Why does my Lochinvar boiler keep running out of gas?

We have a brand new water tank and filter and the rep. Tried blaming it on the quality of our water. We’ve had a new igniter and currently, there is a gas valve on order because it won’t stay running for more than a half hour.

What causes a Vaillant boiler to lock out?

These codes refer to a frozen condensate pipe, meaning the condensate waste cannot run to the drain and is trapped in the boiler, causing the boiler to lock out. The Fix: You may have to wait for the condensate to defrost.

How long has my Knight cast iron boiler been in service?

I had a high efficiency Knight KBN400 installed to replace a conventional cast iron boiler that had started to leak after 15 years in service. The unit has only been in operation for two years, but it has worked great so far and my heating bills are much lower than they used to be.

What do you need to know about a Lochinvar boiler?

Clean or replace the burner as necessary. – Low water flow through the heat exchanger. Very pump operation. – Air in the piping system. Properly purge all air from the piping system. – Blown fuse. – Faulty pump. Replace pump. – Faulty pump relay. Replace pump relay. – Internal fault on control board. Replace main control board.

I had a high efficiency Knight KBN400 installed to replace a conventional cast iron boiler that had started to leak after 15 years in service. The unit has only been in operation for two years, but it has worked great so far and my heating bills are much lower than they used to be.

What to do if your boiler has low water flow?

Low water flow through the heat exchanger. Verify that the boiler is piped in a primary/secondary fashion and that the boiler and system pump are running on a call for heat. Air in the piping system. Properly purge all air from the piping system.

What to do if 24 VAC is present in your boiler?

If 24 VAC is present, check the outlet of the valve to ensure the valve is flowing gas. With a manometer connected to the outlet tap of the gas valve, when the unit is in the prepurge period, there should be a negative pressure present. When the valve is energized a change in pressure should occur.