Central Heating Controls

Second generation programmers that offer up to 4 independent channels and feature improved display and easier programming.

• 5 year parts guarantee
• Unique 4 channel programming
• 3 Amp rated
• Single, Two, Three and Four channel versions
• 24 hour or 7 day programming
• Large, easy to follow LCD displays, give clear programme information
• Up to 3 ON/OFF periods per channel in each 24 hour operation
• 7 day models hold different settings for each day of the week
• Programmable Holiday setting can be set in advance of departure for any period of time.
• 1 or 2 hour boost and advance on each channel
• Mains powered with battery back up
• 3 Amp changeover contacts
• The single, two and four channel versions are voltage free as standard and use the same backplate as Horstmann's 425 and 5 Series programmers. They can plug in as a direct replacement on most models.
• Part L compliant

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Battery operated for wire free installation

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ServicePlus is a range of programmers and timeswitches developed to facilitate compliance with the Gas Safety (Installation and Use) Regulations 1998. Although not intended to replace the normal servicing regime, it can act as a supplementary aid to enabling compliance. The Series 2 ServicePlus now features an upgraded back lit display screen and incorporates an automatic GMT/BST clock.

• Inexpensive and easy to install
• Simple to use
• Facilitates compliance with Gas Safety Regulation 36
• 28 Day Service Warning
• Part L Compliant
• 3 Amp rated
• Single and two channel models with 24 hour and 7 day options
• Three ON and OFF periods each day
• Hot water boost and central heating advance
• Mains powered with battery back-up
• Programme options: On 24hrs, OFF, All Day or Auto
• Full or partial boiler shutdown

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The Horstmann family of ThermoPlus programmable room thermostats set new standards in their ease and simplicity of use yet offer a range of advanced programmable features.

The ‘stats, which are suited to both new build installations or replacement of older mechanical thermostats, will find a range of applications in areas such as local authority housing, housing associations, social housing and sheltered accommodation. The ThermoPlus is designed for ease of use and adjustment, offering the user a clear understanding of the controls and features a colour coded, bright LED warm/cool display and Braille markings on the main override buttons.

• Each model features 5 pre-installed profiles
• The installer can easily select the preferred programme
• Automatic winter and summer time change (GMT/BST)
• Frost protection  

Four models to choose from:

ThermoPlus AS2RF; a wireless, battery powered thermostat that makes use of an advanced Z-Wave™ mesh wireless control language

• Supplied complete with receiver unit (ASR-RF)
• Local override facility
• Factory pre-set heating profiles and pre-set clock with battery back up 
• Audible and tactile feedback

ThermoPlus AS1: mains powered and offers simple three button operation

• All the above features (except RF)

ThermoPlus AS2: As the AS1 but battery powered model. 

• Three standard AA batteries with at least a 2 year battery life
• Separate clock power back-up

ThermoPlus PRT1: Similar to AS1, especially designed for vulnerable / older users. 

• Mains powered and requires an all-installer set-up to agreed parameters
• Features 15º cool setting to provide hypothermia protection

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Wireless or wired, this new range of purpose designed room thermostats offer the latest energy saving control technology combined with established Horstmann design and manufacturing expertise making them suitable for use in most types of heating systems.

While compatible with most commonly used zone valves and programmers, they make the perfect partners for use with Horstmann Programmers and Zone valves.

• Wireless or wired (battery operated) versions
• TPI temperature control software
• Clear backlit digital display
• Temperature range 5-30°C
• Industry standard wall plate
• Easy to install and use

HRT4-ZW with ASR-ZW receiver

The HRT4-ZW is designed to be easy to install and requires no new wiring as it communicates wirelessly with an ASR-ZW receiver.  This provides excellent control of the room temperature. It features the TPI control software and outperforms many older styles of thermostat with its precise and efficient software optimising the boiler firing regime.  In a single cycle steady state test undertaken independently by TACMA, this created the potential for energy savings in the order of 10% when used with condensing boilers.

• HRT4-ZW - Wireless Z-Wave electronic room thermostat and ASR-ZW receiver
• TPI energy saving software
• Compatible with most heating systems.
• Proven Z-Wave wireless technology*.
• Features a constant RF status display with its receiver being mains powered with volt free contacts.
• Uses 2 AAA batteries
• Battery life in excess of two years

*For technical information on Z-Wave, download HRT4-ZW THERMOSTAT MANUAL Z-WAVE INFORMATION from the downloads menu at the conclusion of this section.

HRT4-B

HRT4-B is a battery operated room thermostat ideal for system upgrades where it can replace the existing wired thermostat or for applications in new combi boiler installations.

• TPI energy saving software
• For use with a new installation or as a replacement
• 3 amp volt free change over contacts
• Ideal for use with combi boilers

HRT4-A, HFT4 and HTT4:

Suitable for use in most types of heating systems that respond to 230 volt mains electrical On/Off signal or new systems with a 230 volt zone valve.

• 230 volt mains operation
• TPI temperature control software
• Standard, Frost and Tamperproof versions
• Industry standard wall plate

HRT4-A: Room Thermostat

• 230 volt mains powered electronic unit.
• TPI technology for new and replacement installations.
• Temperature setting range 5-30°C.

HTT4: Tamperproof Room Thermostat

A tamper proof version of the HRT4-A for use in public areas or other situations where subsequent temperature adjustment is not required/desirable.

• 230 volt mains powered electronic unit.
• Internal setting dial.
• Temperature setting range 10-30°C.

HFT4: Frost Thermostat Electronic mains operated frost protection thermostat.

• 230 volt mains powered electronic unit.
• Ensures heating will switch on whenever frost conditions are detected.
• Internal setting dial.
• Temperature setting range 0-20°C.

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This 10amp central heating room thermostat that majors on functionality, reliability and a clean, aesthetic design.

• For use with all central heating systems which respond to a mains on/off signal.
• 10amp contacts
• Bi-metallic sensor.
• Rotating dial permits settings between 5ºC and 35ºC
• Can be directly wall mounted via the in-built patress.
• Ventilated enclosure
• Moulded in bright white for a modern yet discreet appearance
• Compatible with Horstmann motorised valves and central heating programmers.

With an adjustable temperature range of between 20°C - 90°C, the Horstmann cylinder thermostat is suitable for mounting on either domestic hot water cylinders or large heating pipes.

A bimetallic sensor system ensures precise hot water temperature control. Each unit is supplied with a strap and buckle for easy installation

• Adjustable temperature range 20°C - 90°C
• 16 Amp changeover (S.P.D.T) contacts
• Switching differential avoids excessive boiler cycling
• Bimetallic sensor system
  

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ZonePlus motorised valve

The Horstmann family of ZonePlus motorised zone and diverter valves combine proven electronic controls technology with the latest Horstmann design features.

• Features neon indicators to show:-
  i) central heating hot water flow (3 port version)
  ii) on/off function (2 port version).
• Rugged engineering with a 2 year parts guarantee
• Proven fittings for easy installation and maintenance
• Quick change actuator feature

There are four models in the range:

Model F222 and Model F228 are 22mm and 28mm 2 port spring return valves

Model F322 and F328 are 22mm and 28mm 3 port mid position valves