Thank you. Community content may not be verified or up-to-date. Weil-McLain provides a variety of boiler controls and zone controls to help optimize boiler … Level the template with a spirit level. No Heat At All A burned-out thermocouple is the top cause of a Weil McLain boiler not responding to the thermostat’s call for heat. If you don’t have a thermostat to control your district heating, you may still be able to have a Nest thermostat installed if your heating valve is accessible to your installer. 95% AFUE (220/299); 96.5% Combustion Efficiency (399) To turn them on, go to. Thanks for the response, I suggest you contact the HVAC guy and have them installed the wiring for you. Post contains harassment, hate speech, impersonation, nudity; malicious, illegal, sexually explicit or commercial content. If you think your system uses a proprietary communications protocol, contact a local Nest Pro installer in your area for help. Some community members might have badges that indicate their identity or level of participation in a community. Just follow these simple instructions and fix your boiler on your own! Search our vast inventory and get your parts fast with same day shipping. 3rd gen Busted thermostat Weil-McLain indirect WH I recently had a Weil-McLain indirect water heater (Aqua Plus) installed on my gas boiler - replacing the old tank that got a leak. Fil pilote thermostats can also have different modes such as: On, frost, night, and day. This relatively small device is responsible for controlling the level of heat in your home during the cooler months. We found the following personal information in your message: This information will be visible to anyone who visits or subscribes to notifications for this post. You can start with one zone controlled by a Nest thermostat, and then equip other zones with Nest thermostats later. • Determine cause of fuse failure on 24-volt system. Contact a local Nest Pro installer for help determining Nest compatibility. Integrated Boiler Control Unit (incl. 1. I have a Weil Mclain EG-50-SPDN, Series #4 steam boiler and recently replaced the old thermostat w/ Nest 3rd generation thermostat. Wiring diagram is here, page 12: The Nest Thermostat only supports low current systems since they are by far the most common. Fil pilote systems usually control multiple electric radiators with a single thermostat or controller. $47.26. The table below summarizes them. On the Nest thermostat wiring display having a light grey font on it it's either the port doesn't have a wire connected to it or the wire is not properly connected. Both the 3rd gen Nest Thermostat and Nest Thermostat E support modulating boilers that are OpenTherm compatible. The installer must have access to the heating valve so they can connect it to the Nest Heat Link, which is included with your thermostat. District or collective heating systems that are controlled by an accessible individual electric valve are compatible with Nest thermostats. Please contact a heating professional in your area. In the next section are Weil McLain boiler troubleshooting tips the pros use to determine verify what is wrong. Discard post? The old Nest E thermostat from zone 1 also does not work in zone 2 if installed there ... Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch. Thermostats are designed to handle either low current or high current. Welcome . The 3rd generation Nest Thermostat also works with condensing boilers that support OpenTherm. If it seems to be helpful, we may eventually mark it as a Recommended Answer. We recommend that for us to make sure that we prevent damage to your system. Looking for Weil Mclain boiler replacement parts? Condensing boilers are so efficient because they use the waste heat from the boiler’s flue gas to heat the water. I have a Weil mclain boiler, and a nest thermostat. Currently the G & Y terminals at the boiler's transformer are wired to the RH & W1 terminals respectively, at the thermostat. There are two main reasons that a heating system may not be compatible with Nest thermostat: it’s high current or a proprietary system. How Nest thermostats work with zoned systems >. SKU: 633-900-130. Here are common boiler problems for this or any brand. While most heating systems are high voltage (usually 230V), usually they only use a little bit of current at a time (up to 3A). To learn more about specific system type compatibility, see the sections below in this article. We rely upon independent heating professionals in your area to install, maintain and troubleshoot Weil-McLain products. I have connected a separate 24vac transformer to the nest thermostat, R to RC and C to C. The specs seem to be in line w/ what others get w/ an external transformer: My question is in the nest's equipment screen, Rh "power" is there but the font is light grey compared to the others which are darker. 0. The main floor thermostat has an extra (green wire) in addition to a red and white at the thermostat. Go to the Legal Help page to request content changes for legal reasons. Nest Learning Thermostat, 2nd gen Need experts' help with connecting C wire to supply power to Nest E thermostat. Both Nest Thermostat E and 3rd gen Nest Learning Thermostat are compatible with fil pilote electric radiators, but installation will be a little different depending on if you have a fil pilote thermostat or not, and what thermostat you’re installing. Baseboards. See “Install Weil-McLain intake with regard to spacing from adjacent boiler vent/air cap” on page 38. This limits scale build up, which reduces boiler efficiency, performance and can lead to premature boiler failure. One of the things that I have always admired about Weil - McLain products is that they are sturdy and well made. Learn about domestic hot water control for Nest thermostats and how to change settings >. ... • Disconnect thermostat wires at boiler. However, you should contact a local Nest Pro installer and tell them that your apartment is heated with collective or district heating so they can ask you additional questions to determine Nest compatibility before they schedule an installation appointment. The options you have for controlling your hot water with the Nest app depend on what type of boiler/hot water heater you have. The boiler is working fine for the distribution of hot water through out the house, bath, and radiant heat floors its an Ultra about 7 … Your notifications are currently off and you won't receive subscription updates. In the past, boiler-thermostat wiring used to be rated for 110 volts, but now modern systems are rated for 24 volts. Our automated system analyzes replies to choose the one that's most likely to answer the question. Weil-McLain high efficiency indirect fired water heaters produce twice the peak flow of a tankless coil. I do have a free wire in the cable but cannot figure out where should I connect it on the boiler, there's no any terminal, marked as 'C', 'common' or similar. Get the latest info on Weil-McLain Canada products, promotions, staffing, and general hydronic industry news Join Now! Condensing boilers are also efficient because they adapt the amount of fuel burned according to how much heating is needed. Does that mean it is no longer taking power from the boiler? Contractor's Assistant: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat? We'll get back to you only if we require additional details or have more information to share. I have a Weil Mclain EG-50-SPDN, Series #4 steam boiler and recently replaced the old thermostat w/ Nest 3rd generation thermostat. Thanks for reaching out. T 905-456-8300 F 905-456-8582 E info@weil-mclain.ca Stockpile Express has what you need. However, some systems that are high voltage use a higher current (sometimes as high as 16A or higher) - for example, electric radiators or electric underfloor systems. Is it as simple as connecting a wire from C at the boiler's transformer to C at the thermostat? They’re common in France and many electric radiators sold there since the 1980s are fil pilote enabled. Can only Get 12.4 v power Thanks - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. However … Heating system compatibility with Nest thermostats, Tell us more and we’ll help you get there, Learn how OpenTherm works with Nest thermostats, Learn about domestic hot water control for Nest thermostats and how to change settings, How Nest thermostats work with zoned systems. • Replace F3 fuse. should be used for the boiler. For instance, your Nest Pro may need to install an additional fil pilote diode(sold separately) depending on your current system. Sign In or Register to comment. If you’re not sure what type of system you have, or if your system is compatible, you can always ask a Nest Pro. Nest Learning Thermostat, District and collective heating systems with accessible individual electric valve, High-voltage (switched live) systems, low current (up to 3A), Volt-free (dry contacts) systems, low current (up to 3A), Electric heating controlled by fil pilote (Nest Pro installation required). Weil-McLain ® does not employ heating technicians who come out to repair your boiler, nor do we have factory-authorized servicers. UT Module 1013-200) SKU : 382-200-448 Brand : Weil-McLain Nest thermostats work condensing boilers that have standard On/Off control. On the transformer's terminal it says "Load" & "R" and the other "NEC" and "C" next to it. For the Weil-McLain plate, the template must be level to ensure the flue and air pipe will be side-to-side, as shown in Figure 45. Unlike most high efficiency boilers in the industry, the Weil-McLain GV90+ has extrawide waterways (over 2”) allowing sludge and debris, often present in older systems, to flow through easily. While radiators will get hot quicker if the boiler thermostat is set at a higher temperature, the boiler may not condense, which will reduce its efficiency by 10-20%. View online or download Weil-mclain PLUS 100 User Manual, Troubleshooting Manual Brand: Weil-McLain (30)-+ … Are you sure you want to continue? Nest thermostat have been designed to work with many different types of heating systems, including boiler systems. If you have a gas or electric meter in your apartment, the heating valve is probably located nearby. This reply will now display in the answers section. Whatever your needs --heating a restaurant, hotel, casino, or any other commercial or industrial facility--depend on Weil-McLain boilers to provide the solution that delivers cost savings, energy efficiency and system flexibility. Learn how OpenTherm works with Nest thermostats >. There is only heat, no AC, fueled by propane. In all cases, we recommend installation by a Nest Pro because advanced wiring is usually necessary. I have purchased an external transformer, what is the correct way to connect the wires from the external transformer to the nest thermostat? These protocols are specific to the manufacturer of the system – they aren’t standardized across the industry, and only thermostats made by the same manufacturer are compatible with these systems. The house has 4 zones and therefor 4 separate thermostats. Is my weil McLain boiler CG2 compatible with nest thermostat Where does C wire go? I know that connecting wire from one point to another is simple,if you are 100% sure that wire is the common wire then you can connect it to the C terminal, but for us to make sure that we are connecting those wires to the right spot, I recommend getting an HVAC tech or get in touch with. Forced-air heat pumps, condensing boilers, and other less common heating systems are compatible with Nest thermostats if they use standard cables: neutral, live, call-for-heat, common, or satisfied. Weil-McLain boiler troubleshooting may turn out to be easier than you expected. Nest 3rd Gen – “Learning Thermostat” – as Nest calls it officially is a self learning thermostat which programs itself by learning lifestyle patterns … $45.97. Post is disrespectful, about third party products or contains unrelated content or personal information. I contacted Weil Mclain and they said to add a separate external transformer. The boiler thermostat is one of the most important devices in the home, yet it is often overlooked. Nest thermostats work condensing boilers that have standard On/Off control. You will lose what you have written so far. Our automated system analyzes the replies to choose the one that's most likely to answer the question. Free shipping. Modulating Condensing Boiler with 10:1 Turndown. How to connect C wire from Weil Mclain boiler to Nest thermostat. Weil Mclain 633-900-130 Thermostat (Aquastat) Kit For Residential Indirect Water Heaters For Use With GOLD / Ultra Plus 30/40/60/80 Includes Knob And Instructions 90°F-160°F Adjustable Range Does NOT Include Cover Plate Sales Reference # 10H001, 633900130 Product details. However, converters are available from some manufacturers that may let a proprietary boiler work with a Nest thermostat. However this t-stat requires a C wire for constant power. View. You do not have to install Nest thermostats in all zones at once. Kit for Weil McLain Indirect and Gold Plus Water Heaters 633-900-130 Residential Thermostat (Aquastat) Kit for Weil McLain Indirect and Gold Plus Water Heaters. We're committed to dealing with such abuse according to the laws in your country of residence. In this case, a professional may be able to connect your system to a Nest thermostat. Failed to attach file, click here to try again. UT Module 1013-200) 382-200-448 Integrated Boiler Control Unit (incl. Weil McLain Boilers – Common Issues. Worked fine for about 6 months, and then stopped providing hot water. $55.60 previous ... NIB Carrier Bryant Payne Honeywell Furnace Vacuum Air Pressure Switch HK06NB123. Weil-McLain offers a broad spectrum of high efficiency gas-fired, oil-fired and combination oil/gas boilers for commercial use. If you already have a thermostat in your apartment, then it’s likely that you can have a Nest thermostat installed. Boiler thermostat: this should be set at 65 degrees, to enable it to deliver water of 60 degrees (see above). When you submit a report, we'll investigate it and take the appropriate action. But there are a few of key differences between models. Proprietary condensing boiler typically only work with a thermostat from the same manufacturer. 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