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Vendor: TENSE

Liquid level relays for steam boilers

Barcode: SSR-09
Regular price
€31,19 €25,78 excl. VAT
Regular price
€31,20
Sale price
€31,19 €25,78 excl. VAT
-17%
Low stock: 10 left
All items are in stock and shipped from the Czech Republic. Delivery takes 3–8 days.
  • Description
  • Instructions
  • Payment methods
  • Warranty

Water Level Control Relay for Single Tank with Heater Protection - Tense SSR-09

Product Description

The Tense SSR-09 relay is a modern unit designed for automatic water level control in boilers, accumulation tanks, and water heaters.
It ensures safe water supply, timely pump shutdown, and, most importantly, effective protection of the electric heater against dry running.

The device uses capacitive electrodes to monitor water levels and automatically controls the pump and heater according to the current situation in the tank.

Key Advantages

  • Protection against dry running for both boiler and heater - extends equipment lifespan.

  • Automatic water level control: pump turns on when water level is low, turns off when it reaches the highest level.

  • Heater protection - if there is no water in the heater, the device immediately blocks its power supply.

  • LED indication of pump and heater operation for easy status check.

  • Easy installation - DIN rail mounting, transparent screw terminals.

  • Compact size, low consumption.

  • Wide operating voltage range 170-260V AC - stable operation even during power fluctuations.

Operating Principle

The SSR-09 operates with two electrodes located in the tank:

  1. Lower electrode (minimum level)

    • If the water level drops below this electrode, the relay activates the pump and starts pumping water.

  2. Upper electrode (maximum level)

    • When the upper level is reached, the relay automatically switches off the pump.

  3. Protection electrode near the heating element

    • If there is no water in the heater, the relay disconnects the heater's power supply and prevents overheating.

This intelligent logic ensures safe and economical operation of the entire system.

Application

  • Electric boilers and accumulation water heaters

  • Heating systems with an accumulation tank

  • Household and industrial water storage tanks

  • Water supply and pumping systems

  • Tanks for drinking or domestic water

Installation and Connection

  • Mounting on a standard DIN rail in a cabinet.

  • Connection using screw terminals.

  • Electrodes must be installed in the tank at the required levels.

  • For stable operation, the manufacturer recommends using wires of at least 2.5 mm².

Note: Electrodes (level probes) are not included and must be ordered separately.

Online payment by bank card – after placing the order, you will be redirected to the payment portal. You will receive payment confirmation in your email.

Cash payment upon delivery – you will pay the amount specified in the payment notice to the courier upon delivery.

Payment by bank transfer – a prepayment invoice (proforma) will be sent to your email address no later than the next business day, indicating the bank account number to which the payment should be made.

Payment by invoice – this option is available to cooperation partners who have a cooperation agreement with our company.

If you wish to use one of the last two payment methods, please contact our customer service specialist, who will provide instructions on receiving an invoice with or without VAT.

The electrical equipment we supply meets high-quality standards, comes with a 24-month warranty, and fully complies with all European Union requirements.

We also offer free delivery for orders over 100 EUR, as well as a flexible discount and promotion system. Our employees' technical knowledge and experience allow us to provide professional consultations and, if necessary, offer alternative electrical product solutions.

The electrical equipment we supply meets high quality standards, comes with a 24-month warranty, and complies with all EU requirements.
In case of claims, returns are free of charge.

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