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Mechanical

Big Frog Supply has all the mechanical equipment and hardware you need to get your job done. We want to make it easy for you to buy right the first time.
  • Grundfos - 595916 - Instant Hot Water System

    Grundfos
    Original price $ 414.99 - Original price $ 414.99
    Original price
    $ 414.99
    $ 414.99 - $ 414.99
    Current price $ 414.99

    Spec Sheet   Install Manual Grundfos is proud to bring the comfort and savings of hot water recirculation to the existing homes with the comfort ...

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    Original price $ 414.99 - Original price $ 414.99
    Original price
    $ 414.99
    $ 414.99 - $ 414.99
    Current price $ 414.99
  • Grundfos - GTK03U - Rinnai Circ-Logic Grundfos GTK03U Kit

    Grundfos
    Original price $ 376.19 - Original price $ 376.19
    Original price
    $ 376.19
    $ 376.19 - $ 376.19
    Current price $ 376.19

      Install Manual Rinnai’s recirculation technology is called Circ-Logic. Circ-Logic allows consumers to set recirculation patterns that coincide wi...

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    Original price $ 376.19 - Original price $ 376.19
    Original price
    $ 376.19
    $ 376.19 - $ 376.19
    Current price $ 376.19
  • Grundfos - 98562817 - SCALA2 208-230 Volt Water Pressure Booster Pump

    Grundfos
    Original price $ 1,099.00 - Original price $ 1,099.00
    Original price
    $ 1,099.00
    $ 1,099.00 - $ 1,099.00
    Current price $ 1,099.00

    Perfect water pressure – finally compact and easy to install SCALA2 is a fully integrated water booster pump providing perfect water pressure in a...

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    Original price $ 1,099.00 - Original price $ 1,099.00
    Original price
    $ 1,099.00
    $ 1,099.00 - $ 1,099.00
    Current price $ 1,099.00
  • Grundfos - SCALA1 - 3-45 NEMA 5-15 Plug 115V

    Grundfos
    Original price $ 821.04 - Original price $ 821.04
    Original price
    $ 821.04
    $ 821.04 - $ 821.04
    Current price $ 821.04

    SCALA1 3-45 The Grundfos SCALA1 is a self-priming, multistage pump, that incorporates all the components of a pressure booster into a compact ...

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    Original price $ 821.04 - Original price $ 821.04
    Original price
    $ 821.04
    $ 821.04 - $ 821.04
    Current price $ 821.04
    Sold out
  • Grundfos - 99725185 - Scala1 Inlet Filter

    Grundfos
    Original price $ 77.64 - Original price $ 77.64
    Original price
    $ 77.64
    $ 77.64 - $ 77.64
    Current price $ 77.64

    Inlet Filter The Grundfos Inlet filter is a recommended accessory to protect the pump from sand, gravel or other debris, when pumping rainwate...

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    Original price $ 77.64 - Original price $ 77.64
    Original price
    $ 77.64
    $ 77.64 - $ 77.64
    Current price $ 77.64
    Sold out
  • Grundfos - 595926 - Replacement Comfort Valve for UP Circulator Pumps

    Grundfos
    Original price $ 87.99 - Original price $ 87.99
    Original price
    $ 87.99
    $ 87.99 - $ 87.99
    Current price $ 87.99

    Replacement Comfort Valve for Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP Recirculator. The Comfort Valve is installed under the sink at the fi...

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    Original price $ 87.99 - Original price $ 87.99
    Original price
    $ 87.99
    $ 87.99 - $ 87.99
    Current price $ 87.99
  • Grundfos - HEPumpKitCR - Pump For Rinnai RL Series Water Heaters

    Grundfos
    Original price $ 610.86 - Original price $ 610.86
    Original price
    $ 610.86
    $ 610.86 - $ 610.86
    Current price $ 610.86

    Install Manual Only compatible with RL Series non-condensing units:       Housing Material Stainless Steel with Check Valve Flow Range 20 GPM Hea...

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    Original price $ 610.86 - Original price $ 610.86
    Original price
    $ 610.86
    $ 610.86 - $ 610.86
    Current price $ 610.86
    Sold out
  • Grundfos - SCALA1 - 5-55 NEMA 5-15 Plug 115V

    Grundfos
    Original price $ 991.42 - Original price $ 991.42
    Original price
    $ 991.42
    $ 991.42 - $ 991.42
    Current price $ 991.42

    SCALA1 5-55 The Grundfos SCALA1 is a self-priming, multistage pump, that incorporates all the components of a pressure booster into a compact ...

    View full details
    Original price $ 991.42 - Original price $ 991.42
    Original price
    $ 991.42
    $ 991.42 - $ 991.42
    Current price $ 991.42
  • Grundfos - 59896781 - 3-Speed Stainless Steel Circulator with Stainless Steel Union and Check Valve

    Grundfos
    Original price $ 636.99 - Original price $ 636.99
    Original price
    $ 636.99
    $ 636.99 - $ 636.99
    Current price $ 636.99

    1 1/4 union, 3 speed, and check valve. Think Stainless. Choosing a stainless steel circulator ensures that you will always have the right pump - w...

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    Original price $ 636.99 - Original price $ 636.99
    Original price
    $ 636.99
    $ 636.99 - $ 636.99
    Current price $ 636.99
  • Grundfos - HEPumpKitMC - Pump For Rinnai RL Series Water Heaters

    Grundfos
    Original price $ 606.85 - Original price $ 606.85
    Original price
    $ 606.85
    $ 606.85 - $ 606.85
    Current price $ 606.85

    Install Manual Only compatible with RL Series non-condensing units:     Housing Material Stainless Steel with Check Valve Flow Range 20 GPM Head...

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    Original price $ 606.85 - Original price $ 606.85
    Original price
    $ 606.85
    $ 606.85 - $ 606.85
    Current price $ 606.85
    Sold out
  • Grundfos - UP10-16 - Hot Water Recirculating Temperature Pump, 1-1/4" Union Connection

    Grundfos
    Original price $ 331.99 - Original price $ 331.99
    Original price
    $ 331.99
    $ 331.99 - $ 331.99
    Current price $ 331.99

    Spec Sheet Our family of hot water recirculation pumps has you covered, from small seasonal cottages to large luxury homes. Deliver the comfort of ...

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    Original price $ 331.99 - Original price $ 331.99
    Original price
    $ 331.99
    $ 331.99 - $ 331.99
    Current price $ 331.99
    Sold out
  • Grundfos - 529912 - 3/4-inch Half Union Threaded End (Pair)

    Grundfos
    Original price $ 46.39 - Original price $ 46.39
    Original price
    $ 46.39
    $ 46.39 - $ 46.39
    Current price $ 46.39

    Product Features Grundfos GU 125 Bronze Union Flange Includes two nuts, gaskets and adapters Compatible with Grundfos UP and UPS pumps with 125 U...

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    Original price $ 46.39 - Original price $ 46.39
    Original price
    $ 46.39
    $ 46.39 - $ 46.39
    Current price $ 46.39
  • Grundfos - 519651 - 3/4" 15/16 Bronze Flange Set

    Grundfos
    Original price $ 46.30 - Original price $ 46.30
    Original price
    $ 46.30
    $ 46.30 - $ 46.30
    Current price $ 46.30

    Bronze GF 0.58.-0.75" NPT pipe connection. Includes: (2) flanges (2) gaskets (4) bolts with nuts.

    Original price $ 46.30 - Original price $ 46.30
    Original price
    $ 46.30
    $ 46.30 - $ 46.30
    Current price $ 46.30
  • Grundfos - 99452459 - UP15-10SU7P/LC Instant Hot Water Circulating Pump W/ Digital Timer - Stainless Steel, 1/25 Hp, 115V, 99452459

    Grundfos
    Original price $ 314.99 - Original price $ 314.99
    Original price
    $ 314.99
    $ 314.99 - $ 314.99
    Current price $ 314.99

    Stainless steel Grundfos UP15-10SU7P/LC Instant Hot Water Circulating Pump with Digital Timer (3/4" Sweat, 1/25 HP, 115V, Part# 99452459). This is ...

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    Original price $ 314.99 - Original price $ 314.99
    Original price
    $ 314.99
    $ 314.99 - $ 314.99
    Current price $ 314.99
    Sold out
  • Grundfos - SCALA1 - 5-55 NEMA 6-15 Plug 230V

    Grundfos
    Original price $ 991.42 - Original price $ 991.42
    Original price
    $ 991.42
    $ 991.42 - $ 991.42
    Current price $ 991.42

    SCALA1 5-55 The Grundfos SCALA1 is a self-priming, multistage pump, that incorporates all the components of a pressure booster into a compact ...

    View full details
    Original price $ 991.42 - Original price $ 991.42
    Original price
    $ 991.42
    $ 991.42 - $ 991.42
    Current price $ 991.42
  • Grundfos - SCALA1 - 3-45 NEMA 6-15 Plug 230V

    Grundfos
    Original price $ 852.99 - Original price $ 852.99
    Original price
    $ 852.99
    $ 852.99 - $ 852.99
    Current price $ 852.99

    SCALA1 3-45 The Grundfos SCALA1 is a self-priming, multistage pump, that incorporates all the components of a pressure booster into a compact ...

    View full details
    Original price $ 852.99 - Original price $ 852.99
    Original price
    $ 852.99
    $ 852.99 - $ 852.99
    Current price $ 852.99
  • Grundfos - 59896341 - 3-Speed Pump Hot Water Circulator Pump Model UPS15-58FC; 115V

    Grundfos
    Original price $ 173.15 - Original price $ 173.15
    Original price
    $ 173.15
    $ 173.15 - $ 173.15
    Current price $ 173.15

    Grundfos UPS 15-58 FC circulator pump (Grundfos# 59896341) incorporates a cast iron housing, three speed motor (Low/Med/High) and a built-in, remov...

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    Original price $ 173.15 - Original price $ 173.15
    Original price
    $ 173.15
    $ 173.15 - $ 173.15
    Current price $ 173.15
  • Grundfos - 98420222 - Comfort PM AutoAdapt Recirculation Pump Sweat, 1/2-Inch

    Grundfos
    Original price $ 481.80 - Original price $ 481.80
    Original price
    $ 481.80
    $ 481.80 - $ 481.80
    Current price $ 481.80

    Spec Sheet Grundfos pumps offer the pinnacle of reliability and performance for a large variety of water circulation applications. From home hydron...

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    Original price $ 481.80 - Original price $ 481.80
    Original price
    $ 481.80
    $ 481.80 - $ 481.80
    Current price $ 481.80
  • Grundfos - 595444 - 3/4-Inch Clip-On Aquastat Control

    Grundfos
    Original price $ 45.69 - Original price $ 45.69
    Original price
    $ 45.69
    $ 45.69 - $ 45.69
    Current price $ 45.69

    3/4-Inch pipe mounted aquastat kit. Optionally used with timer. Temp range 85F - 105F degrees.

    Original price $ 45.69 - Original price $ 45.69
    Original price
    $ 45.69
    $ 45.69 - $ 45.69
    Current price $ 45.69
    Sold out
  • Grundfos - JP15S-CI - Cast Iron Shallow Well Jet Pump, 1.5 HP, 230V

    Grundfos
    Original price $ 844.66 - Original price $ 844.66
    Original price
    $ 844.66
    $ 844.66 - $ 844.66
    Current price $ 844.66

    Specification: Grundfos JP15S-CI (97855091) is a 1-1/2HP 230V Cast Iron Shallow Well Jet Pump Features: Rugged cast iron construction End suction,...

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    Original price $ 844.66 - Original price $ 844.66
    Original price
    $ 844.66
    $ 844.66 - $ 844.66
    Current price $ 844.66
    Sold out
  • Grundfos - 59896783 - 3-Speed Stainless Steel Circulator with Timer

    Grundfos
    Original price $ 778.00 - Original price $ 778.00
    Original price
    $ 778.00
    $ 778.00 - $ 778.00
    Current price $ 778.00

    1 1/4 union, line cord, timer, check valve, and 3 speed. Think Stainless. Choosing a stainless steel circulator ensures that you will always have t...

    View full details
    Original price $ 778.00 - Original price $ 778.00
    Original price
    $ 778.00
    $ 778.00 - $ 778.00
    Current price $ 778.00

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