TECH ST-37nRSH Boiler Controller

Name: Boiler Controller TECH ST-37nRSH for TSST37RSHBK
Brand: TECH
SKU: 11959507
Price: 432.99 EUR
Availability: InStock

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Boiler Controller TECH ST-37nRSH for Piston Feeder, black

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Short description

Boiler controller TECH ST-37nRSH designed for use with piston (plunger) fuel feeders. Provides control and regulation of boiler operation and feeder timing, enabling automated fuel supply and combustion management. Suited for residential and small commercial solid-fuel boiler systems requiring integration with piston-type feed mechanisms; facilitates reliable start/stop sequencing and basic safety interlocks.

Available for order: 2 pcs.

Warranty: 2 Years

SKU: 11959507

Manufacturer: TECH

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Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

03.07.2026 {{selectedOffer.officeDeliveryString}}

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2b. Kengaraga str., Riga, Latvia, LV-1063

03.07.2026 {{selectedOffer.officeDeliveryString}}

free

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From 4.99 €

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From 1.99 €

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36 months installment: from 12.03 euros per month

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Product information

Description

The TECH ST-37nRSH boiler controller for piston feeder is a compact control unit developed for integration with piston (plunger) fuel feeding mechanisms on solid-fuel boilers. It provides timed feeder control, start/stop sequencing and basic safety interlocks to automate fuel supply and combustion cycles. Designed for residential and small commercial boiler systems, the controller supports coordination between the feeder and the boiler firing sequence to maintain reliable operation of piston-type feeders.

Advantages

This controller delivers precise timing for piston feeder operation and simplifies integration with existing solid-fuel boiler controls. Its functions include automated feeder on/off sequencing, configurable delays for safe start-up and shut-down, and protection against improper feeding during unsafe boiler conditions. The unit is compact and intended for straightforward installation in boiler control panels, reducing the need for manual intervention while maintaining predictable feeder behaviour.

Suitable for

Residential solid-fuel boilers with piston (plunger) feeders
Small commercial boiler installations requiring timed fuel feeding
Retrofitting piston feeder mechanisms to add automated feed sequencing
Systems needing basic interlocks between feeder and boiler firing cycles

Key specifications

Control type: timed sequencing for piston/plunger fuel feeders
Functions: feeder start/stop control, configurable delay intervals, basic safety interlocks
Mounting: panel or enclosure mounting suitable for boiler control installations
Compatibility: intended for integration with solid-fuel boilers using piston-type feeding mechanisms
Colour: black

How to use

Install the TECH ST-37nRSH in the boiler control panel and connect the feeder drive, boiler status signals and power supply according to the feeder and boiler wiring instructions. Configure the timing parameters and safety delays so the feeder operates only when boiler conditions permit fuel introduction. Verify wiring for interlocks that prevent feeding during shutdown, low-water or over-temperature conditions. After initial setup, test a full cycle to ensure the feeder timing and interlocks reliably coordinate with the boiler ignition and shutdown routines.

Usage recommendations

Use the controller with piston-type feeders matched to the boiler's fuel type and feed rate. Follow boiler manufacturer guidelines and local safety regulations during installation. Schedule periodic functional checks of timing settings, interlock operation and wiring connections to ensure continuous, safe performance.

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Customer questions

FAQ

How much does the TECH ST-37nRSH Boiler Controller cost, and is it available for purchase?

The price is 432.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 03.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can TECH ST-37nRSH Boiler Controller be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the TECH ST-37nRSH Boiler Controller online, and the application process is as simple as possible:

Select the product on the website and add it to your cart;
When placing your order, choose the payment method “Installments”;
Fill in the required details for the lending partner;
Receive a decision within a few minutes.

For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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 TECH 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 TECH 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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