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Search results for 'Tankless water heaters'

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  1. Aube Non-Programmable Heating Thermostat

    Aube Non-Programmable Heating Thermostat

    Non-Programmable Heating Thermostat
    • Selectable temperature control – gives thermostat flexibility to control a range of heating systems and applications
    • Comfort, economy and vacation presets – enable temperature changes at the touch of a button
    • Pump protection – for hot water heating activates pump for one minute every 24 hours to prevent seizure Compact design – one of the smallest thermostats on the market
    • Precise LCD – shows room temperature in increments of 0.1°C or 0.1°F
    • Low battery indicator – gives 60 days warning to replace batteries
    • Remote input – enables change of temperature modes by phone (telephone controller required)
    $37.45

  2. Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter

    Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter

    Balancing Valve with Flow Meter, offers direct reading of flow rate, no sight gauge clouding or scaling. Has brass valve body and flow meter, rotatable valve for flow rate adjustement, and graduated scale flow meter with magnetic movement flow rate indicator. MAX working pressure: 150 psi. Temperature range: 14-230 F. Max percentage of glycol: 50%.
    The 132 series balancing valve accurately sets the flow rate of heating and cooling transfer fluid supplied to fan coils and terminal units or where flow balancing is required in solar thermal systems. Proper hydronic system balancing ensures that the system operates according to design specifications, providing satisfactory thermal comfort with low energy consumption. The flow meter is housed in a bypass circuit on the valve body and can be shut off during normal operation. The flow meter permits fast and easy circuit balancing without added differential pressure gauges and reference charts. The balancing valve is furnished with a preformed insulation shell to optimize thermal performance or both hot and cold water systems.
    $90.32

  3. Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter-1/2" NPT: .5-1.75 GPM

    Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter-1/2" NPT: .5-1.75 GPM

    Balancing Valve with Flow Meter, offers direct reading of flow rate, no sight gauge clouding or scaling. Has brass valve body and flow meter, rotatable valve for flow rate adjustement, and graduated scale flow meter with magnetic movement flow rate indicator. MAX working pressure: 150 psi. Temperature range: 14-230 F. Max percentage of glycol: 50%.
    The 132 series balancing valve accurately sets the flow rate of heating and cooling transfer fluid supplied to fan coils and terminal units or where flow balancing is required in solar thermal systems. Proper hydronic system balancing ensures that the system operates according to design specifications, providing satisfactory thermal comfort with low energy consumption. The flow meter is housed in a bypass circuit on the valve body and can be shut off during normal operation. The flow meter permits fast and easy circuit balancing without added differential pressure gauges and reference charts. The balancing valve is furnished with a preformed insulation shell to optimize thermal performance or both hot and cold water systems.
    $90.32

  4. Caleffi Series 546 Dirtcal Dirt Separaters Brass Sweat

    Caleffi Series 546 Dirtcal Dirt Separaters Brass Sweat

    Dirt Separator. Brass Body. 1/2" NPT Top Thread With Plug For Optional Air Vent, Code 502243A Max. Working Pressure: 150 PSI. Working Temperature Range: 32-250F. Particle Separation Capacity: To 0.2 mil
    In heating and air conditioning control systems, the circulation of water containing impurities may result in rapid wear and damage to components such as pumps and control valves. It also causes blockages in heat exchangers, heating elements and pipes, resulting in lower thermal efficiency within the system. The dirt separator separates off these impurities, which are mainly made up of particles of sand and rust, collecting them in a large collection chamber, from which they can be removed even while the system is in operation. This device is capable of efficiently removing the smallest particles, with low head loss.
    $87.21

  5. Caleffi Series 546 Dirtcal Dirt Separaters Brass Sweat-1"

    Caleffi Series 546 Dirtcal Dirt Separaters Brass Sweat-1"

    Dirt Separator. Brass Body. 1/2" NPT Top Thread With Plug For Optional Air Vent, Code 502243A Max. Working Pressure: 150 PSI. Working Temperature Range: 32-250F. Particle Separation Capacity: To 0.2 mil
    In heating and air conditioning control systems, the circulation of water containing impurities may result in rapid wear and damage to components such as pumps and control valves. It also causes blockages in heat exchangers, heating elements and pipes, resulting in lower thermal efficiency within the system. The dirt separator separates off these impurities, which are mainly made up of particles of sand and rust, collecting them in a large collection chamber, from which they can be removed even while the system is in operation. This device is capable of efficiently removing the smallest particles, with low head loss.
    $87.21

  6. Caleffi Series 546 Dirtcal Dirt Separaters Brass Sweat-1 -1/4"

    Caleffi Series 546 Dirtcal Dirt Separaters Brass Sweat-1 -1/4"

    Dirt Separator. Brass Body. 1/2" NPT Top Thread With Plug For Optional Air Vent, Code 502243A Max. Working Pressure: 150 PSI. Working Temperature Range: 32-250F. Particle Separation Capacity: To 0.2 mil
    In heating and air conditioning control systems, the circulation of water containing impurities may result in rapid wear and damage to components such as pumps and control valves. It also causes blockages in heat exchangers, heating elements and pipes, resulting in lower thermal efficiency within the system. The dirt separator separates off these impurities, which are mainly made up of particles of sand and rust, collecting them in a large collection chamber, from which they can be removed even while the system is in operation. This device is capable of efficiently removing the smallest particles, with low head loss.
    $120.18

  7. Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter - 3/4" NPT: 2-7 GPM

    Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter - 3/4" NPT: 2-7 GPM

    Balancing Valve with Flow Meter, offers direct reading of flow rate, no sight gauge clouding or scaling. Has brass valve body and flow meter, rotatable valve for flow rate adjustement, and graduated scale flow meter with magnetic movement flow rate indicator. MAX working pressure: 150 psi. Temperature range: 14-230 F. Max percentage of glycol: 50%.
    The 132 series balancing valve accurately sets the flow rate of heating and cooling transfer fluid supplied to fan coils and terminal units or where flow balancing is required in solar thermal systems. Proper hydronic system balancing ensures that the system operates according to design specifications, providing satisfactory thermal comfort with low energy consumption. The flow meter is housed in a bypass circuit on the valve body and can be shut off during normal operation. The flow meter permits fast and easy circuit balancing without added differential pressure gauges and reference charts. The balancing valve is furnished with a preformed insulation shell to optimize thermal performance or both hot and cold water systems.
    $97.29

  8. Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter-1" NPT: 3-10 GPM

    Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter-1" NPT: 3-10 GPM

    Balancing Valve with Flow Meter, offers direct reading of flow rate, no sight gauge clouding or scaling. Has brass valve body and flow meter, rotatable valve for flow rate adjustement, and graduated scale flow meter with magnetic movement flow rate indicator. MAX working pressure: 150 psi. Temperature range: 14-230 F. Max percentage of glycol: 50%.
    The 132 series balancing valve accurately sets the flow rate of heating and cooling transfer fluid supplied to fan coils and terminal units or where flow balancing is required in solar thermal systems. Proper hydronic system balancing ensures that the system operates according to design specifications, providing satisfactory thermal comfort with low energy consumption. The flow meter is housed in a bypass circuit on the valve body and can be shut off during normal operation. The flow meter permits fast and easy circuit balancing without added differential pressure gauges and reference charts. The balancing valve is furnished with a preformed insulation shell to optimize thermal performance or both hot and cold water systems.
    $113.51

  9. Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter-1-1/4" NPT: 5-19 GPM

    Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter-1-1/4" NPT: 5-19 GPM

    Balancing Valve with Flow Meter, offers direct reading of flow rate, no sight gauge clouding or scaling. Has brass valve body and flow meter, rotatable valve for flow rate adjustement, and graduated scale flow meter with magnetic movement flow rate indicator. MAX working pressure: 150 psi. Temperature range: 14-230 F. Max percentage of glycol: 50%.
    The 132 series balancing valve accurately sets the flow rate of heating and cooling transfer fluid supplied to fan coils and terminal units or where flow balancing is required in solar thermal systems. Proper hydronic system balancing ensures that the system operates according to design specifications, providing satisfactory thermal comfort with low energy consumption. The flow meter is housed in a bypass circuit on the valve body and can be shut off during normal operation. The flow meter permits fast and easy circuit balancing without added differential pressure gauges and reference charts. The balancing valve is furnished with a preformed insulation shell to optimize thermal performance or both hot and cold water systems.
    $150.54

  10. Caleffi Series 551 Air Separators Brass NPT-1 -1/4"

    Caleffi Series 551 Air Separators Brass NPT-1 -1/4"

    Air separator with automatic ½" check valve (code 561402A) to mount expansion tank on bottom thread. Brass body. Glass reinforced nylon internal element. Max. working pressure: 150 psi. Working temperature range: 32—250°F.
    In heating and air conditioning control systems, the circulation of water containing impurities may result in rapid wear and damage to components such as pumps and control valves. It also causes blockages in heat exchangers, heating elements and pipes, resulting in lower thermal efficiency within the system. The dirt separator separates off these impurities, which are mainly made up of particles of sand and rust, collecting them in a large collection chamber, from which they can be removed even while the system is in operation. This device is capable of efficiently removing the smallest particles, with low head loss.
    $133.71

Items 21 to 30 of 214 total

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