# Replacement Universal Cup for Honeywell CT37/CT30 thermostats CT37-UCP-N kit, compatible mounting accessory

**URL:** https://aio.lv/en/product--honeywell-ct37-ucp-n--11350820
**Data updated:** 2026-02-14 19:43 (EET)
**Category:** Home Appliance Accessories
**Manufacturer:** Honeywell
**Manufacturer code:** CT37-UCP-N
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 42.49 €
**Prices and availability valid until:** 2026-08-05 23:59
**Price without VAT (21%):** 35.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--honeywell-ct37-ucp-n--11350820

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

Universal cup kit CT37-UCP-N for Honeywell CT37 and CT30 thermostats. This mounting accessory provides a compatible connection between thermostat and valve or sensor housing. Supplied as a kit for replacement or retrofit installations, it helps restore proper fit and reliable operation when original cup is worn or missing, suitable for maintenance and repair tasks.

## Long description

Universal cup kit CT37-UCP-N for Honeywell CT37 and CT30 thermostats provides a compatible mechanical interface between the thermostat actuator and the valve or sensor housing. Supplied as a replacement or retrofit accessory, the cup restores correct alignment and reliable operation when the original cup is worn, cracked, or missing. The kit is intended for use in maintenance and repair tasks on heating control systems and is compatible with Honeywell CT37 and CT30 series installation geometries.
Advantages
The replacement cup kit ensures secure mechanical coupling and consistent stroke transfer from thermostat to valve or sensor fitting, reducing play and intermittent contact issues. Constructed from durable materials designed for long service life in typical room-temperature HVAC environments, the accessory simplifies field replacement and retrofit work. The universal geometry allows it to fit common mounting configurations used with CT37 and CT30 thermostats, helping technicians restore proper function without replacing the entire thermostat or actuator assembly.
Suitable for
Maintenance and repair of radiator thermostats
Retrofit installations where original cup is missing or damaged
Field replacement in residential and light commercial heating systems
Key specifications
Compatibility: designed for use with Honeywell CT37 and CT30 thermostat mounting geometries
Function: mechanical interface / coupling between thermostat actuator and valve or sensor housing
Material: durable polymer suitable for indoor HVAC applications
Supply form: replacement kit for retrofit and maintenance
Installation: intended for manual field replacement without special proprietary tools
How to use
Turn off heating or isolate the valve mechanism before beginning work. Remove the thermostat head or actuator from the valve or sensor housing and inspect the mounting area for debris or damage. Position the replacement cup on the valve or sensor spindle and align it with the thermostat coupling; slide the thermostat head into place and verify secure engagement and correct stroke transfer. Test the thermostat operation by adjusting setpoint and observing valve response. Reassemble any retained components and restore the system to service.
Usage recommendations
For safe and reliable installation, use basic hand tools and follow manufacturer guidance for thermostats and valves. Verify compatibility with CT37/CT30 geometry before fitting. If the valve or actuator shows corrosion or significant wear beyond the cup, consider replacing the affected components or consulting a qualified technician.

## FAQ

### How much does the Honeywell CT37/CT30 Universal Cup CT37-UCP-N cost, and is it available for purchase?

The price is 42.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 40 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 21.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Honeywell products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Honeywell service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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