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gulson   28 Jul 2011   (0)
Global rules
28 Jul 2011 11:59

Ariston Genus One System: Addressing Gas Boiler Errors 501,504,309,5p3 After Replacing Parts

aronmiso   30 Oct 2021   (137)
Heating Systems Service
15 Feb 2026 09:05

Vaillant EcoTEC Plus F27 Error: Flame Sensor Issues & Troubleshooting (VC PL306/3-5)

Piter.Krr   08 Dec 2019   (50)
Heating Systems Service
11 Feb 2026 14:16

Junkers WRP 11 B Leaking Flow Regulator Valve: DIY Repair Solutions & Water Flow Adjustments

GKruger   18 Oct 2017   (7)
Heating Systems Service
10 Feb 2026 16:11

0 Vaillant Boiler F61 Error: Fixing PCB Fault by Replacing C29 and C30 470uF Capacitors

didierdurandfinister   06 Feb 2026   (0)
Heating Systems Service
06 Feb 2026 11:18

Junkers Cerapur Midi ZWB 24-1 RE - unknown error code d5, the stove turns on and off

sasz808   22 Dec 2019   (9)
Heating Systems Service
06 Feb 2026 10:15
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0 Beretta 24i - no switching to central heating, tap water heats up normally

arpen1   26 Jan 2026   (0)
Heating Systems Service
26 Jan 2026 11:39

Ariston Genus One+ Boiler Loud Bang, Steam From Flue, Calibration Message After Heating On

mconnor393   22 Jan 2026   (1)
Heating Systems Service
22 Jan 2026 12:29

Cyclic Water Hammer in Copper Pipes: Solutions for Hot Water Tank & Expansion Vessel Capacity

grzes1608   17 Jun 2009   (19)
Heating Systems Service
18 Jan 2026 20:01

Termet Ecocondens Gold 25 Boiler: Frequent Error E01 for Water Heating & Apartment Heating

piopol   10 Jan 2016   (23)
Heating Systems utility
03 Jan 2026 18:10
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Head adjustment Danfoss-How to increase the small adjustment range?

niewiem1979   20 Jan 2012   (33)
Heating Systems Service
27 Dec 2025 11:27

Setting Up the Driver for Buderus Stove Model U004: A Beginner's Query

MacGyver 1987   21 Jan 2017   (9)
Heating Systems utility
25 Dec 2025 14:31

Poor Flow in Underfloor Heating System: Causes in New Construction with Air-Water Pump, 250m2 Area

marcel_76   01 Feb 2015   (39)
Heating Systems utility
16 Dec 2025 15:41

De Dietrich MPX 24 Compact Boiler Error 128: Flue Pressure Fault Troubleshooting

lisalawless23   31 Oct 2025   (1)
Heating Systems Service
14 Dec 2025 18:39

[Solved] Logotherm uRan, Engo Easy2308 programmer and Danfoss heads - heating control

MedykSzczecin   24 Nov 2025   (3)
Heating Systems utility
10 Dec 2025 18:40

There is a strange burning smell in the house when using the fireplace

mateo-salvadore   12 Nov 2018   (85)
Heating Systems Service
22 Nov 2025 12:56

ST-292V2 Wireless Thermostat: Optimal Hysteresis Range for Vaillant Stove & 56m2 Heating Area

ewjp   26 Jan 2017   (14)
Heating Systems utility
21 Nov 2025 09:09

Dual-function ovens, e.g. Termet ecocondens, reduced temperature setting

Leszek1313   19 Oct 2019   (52)
Heating Systems utility
13 Nov 2025 19:12

Termet ECOCONDENS GOLD PLUS + ROUND with Wi-Fi - Open-Therm - connected incorrec

Mifczu   11 Aug 2018   (267)
Heating Systems utility
13 Nov 2025 01:56

Junkers Cerapur Smart ZWB28 - Experiencing EA Error with Stove Functionality

Kamazzo   23 Feb 2017   (5)
Heating Systems Service
03 Nov 2025 18:32

Converting a German Furnace to Run on Waste Oil for Garage Heating

staszekk7   15 Nov 2005   (34)
Heating Systems Service
03 Nov 2025 18:06

Installation of an electric heater in the Vaillant vih r 150/6 B storage tank

syybin   23 Mar 2022   (86)
Heating Systems Service
27 Oct 2025 16:16

Immergas EOLO Star 23 kW: Encountering Error 03 After Resolving Error 11, Fan Not Starting

sp3qyg   30 Nov 2010   (31)
Heating Systems Service
26 Oct 2025 18:10

What is the minimum temperature of hot water in the tap - norms

austin007   06 Sep 2012   (31)
Heating Systems utility
24 Oct 2025 16:56

Defro Komfort EKO 15KW failure "Mosfet temperature too high"

darasmul   27 Sep 2020   (50)
Heating Systems utility
09 Oct 2025 20:58

0 Wiring Honeywell Evohome Relay to Bulex 2530a Thermostat: RT vs B.Off Terminals

Raphael33   08 Oct 2025   (0)
Heating Systems utility
08 Oct 2025 11:48

Catalytic Gas Stove for Winter Room Heating: Safety, Exhaust Gas, and Gas Cylinder Efficiency

osik   28 Aug 2008   (36)
Heating Systems utility
07 Oct 2025 12:12

Immergas error error 37 - fixing the thermal contact of the heatsink helped

JachuGda   16 Apr 2020   (42)
Heating Systems Service
01 Oct 2025 13:51

The fan (blower) is still running in the Defro oven with the feeder

aneta07   14 Mar 2018   (11)
Heating Systems utility
15 Sep 2025 19:08

how to connect the thermostat to the ariston clas evo gas oven

krzysiek2800x   09 May 2017   (25)
Heating Systems Service
02 Aug 2025 09:17

Vaillant ecoCOMPACT VSC IT 2462-C 170 DHW Management via External Relay

Morris_brg   18 Oct 2024   (7)
Heating Systems utility
22 May 2025 20:57

0 Ariston Boiler PCB 740190015705 With Satellite Board—Looking for Schematic Diagram

cdhelectronics   24 Apr 2025   (0)
Heating Systems Service
24 Apr 2025 12:17

Immergas Nike Star 24 3 E: Decreased Hot Tap Water Pressure Post-Plumbing Repair

_precious_   16 Sep 2017   (19)
Heating Systems Service
13 Apr 2025 23:03

Junkers Maxipower 2 Wrdp 11-2B Error F0 After Cleaning Copper Inserts and Nozzles

mroczek_26   10 Mar 2017   (21)
Heating Systems utility
07 Mar 2025 18:00

Recurring High Pressure in Nike Pilot Boiler Despite New Valve and Vessel

salob   26 Jan 2009   (50)
Heating Systems Service
23 Feb 2025 15:20

Cast iron radiator 30 ribs: power output at 55/45/20°C vs 90°C supply?

adam998   19 Dec 2011   (26)
Heating Systems utility
21 Feb 2025 14:36

Cast Iron Radiator Ribs Removal: Tools & Techniques for Old, Large Radiators

gauden19   31 May 2010   (42)
Heating Systems utility
08 Feb 2025 22:00

Junkers Cerapur Smart ZSB22-3c - faulty operation of the traversing valve?

Fidelis   24 Mar 2017   (5)
Heating Systems Service
21 Jan 2025 22:51

Accessing Settings/Menu on Immergas Victrix Zeus 26 Boiler: Procedure & Code Retrieval

Fafunio13   21 Feb 2017   (9)
Heating Systems Service
12 Jan 2025 13:52

Which gas stove to choose - Vaillant or De Dietrich? Opinions, failure rate ...

tom20202   27 Jul 2019   (37)
Heating Systems utility
30 Dec 2024 21:16

Junkers WRP14 G23 Gas Heater: Hot Water in Taps, Cold in Shower Despite Thermostat & Service

Cyks   10 Mar 2011   (32)
Heating Systems Service
30 Dec 2024 14:36

UPS Volt vs Kemot for Fireplace with Water Jacket: Which Brand to Choose & Why?

zulusj23   22 Sep 2020   (13)
Heating Systems utility
26 Dec 2024 13:31

How to set the Salus receiver to work with the regulator - auto or manual?

Kosdere   31 Jan 2020   (16)
Heating Systems utility
19 Dec 2024 20:46

Broetje WBS2 22 Boiler - Error 133 Resolved, Post-Service Issues & Technician Insights

15rad   14 Feb 2013   (54)
Heating Systems Service
19 Dec 2024 08:32

0 Generating PWM Signal for Constant Pressure Pump Control

luk2011   08 Dec 2024   (0)
Heating Systems Service
08 Dec 2024 11:59

Vitodens 100 F1 Error: Flue Gas Temperature High After Service Checks—What Next?

Vitodens   28 Nov 2013   (31)
Heating Systems Service
29 Nov 2024 21:22

Immergas Eolo Star 23kw Heating Issue, No Error Code Displayed

crisanadrian2001   27 Nov 2024   (2)
Heating Systems Service
28 Nov 2024 19:20

Unlocking Needle in Herz Valve: Radiator Stopped Heating, Thermostatic Head & DIY Solutions

Zhan   29 Jan 2012   (33)
Heating Systems Service
23 Nov 2024 15:52

LGM 18.35C2510 EUROLA WIESMANN Board Diagram for Boiler Failure

marcelvallade   21 Nov 2024   (2)
Heating Systems Service
22 Nov 2024 18:22

Beretta Idrabagno LX 11 Error A01: Troubleshooting Flame and ACF Module Issues

ilyassmilov   09 Nov 2024   (2)
Heating Systems Service
10 Nov 2024 18:55

Immergas Victrix 26.2.I Boiler: Error 10, Pressure 1.3, Circulation Pump & Safety Valve Issues

zeppelin60   26 Jan 2024   (7)
Heating Systems Service
25 Oct 2024 13:06
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