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120/240 VAC, 48 A, 10 to 150 PSI, Screw Terminal, SPDT, Diaphragm, Subtractive Differential, Auto Recycle, Snap Action, Break On Pressure Rise, Pressure Controller

Provide Operating Control with Automatic Limit Protection for Pressure Systems up to 300 PSI

Models have Snap-Acting Switching to Open or Close a Circuit on Pressure Rise

Have Adjustable Differentials

Ground Screw Terminal

Item#:
70552
Manufacturer Item:
L404F1102/U
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Slab/Floor, Sensor with 15' Lead for AQ2000/AQ1000 Aquatrol Hydronic Zone Panel

15 Foot Lead Length is Used to Control Floor Temperatures of In-Floor Radiant Heating Application

Item#:
73836
Manufacturer Item:
AQ12C20/U
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2.8" x 1" x 4.6", 24 VDC, Premier White, Non-Programmable, Communicating, Thermostat

Two-wire polarity-insensitive non-programmable network communicating thermostat

User buttons feature liquid crystal display as well as outdoor, indoor and floor temperature displays

Floor temperature sensing with minimum and maximum limits (when used with optional AQ12C20 Slab/Floor Sensor (sold separately))

Selectable temporary and permanent backlight

Item#:
73837
Manufacturer Item:
AQ1000TN2/U
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1/4" FPT, 0.25 to 12 VDC 0.25 A, 0.5 to 9 PSI Operating/1 to 5 PSI Differential, SPST, Diaphragm, Additive Differential, Pressuretrol Controller

The PA404A is a Pressure Actuated High Limit, Safety Control for Steam Heating Boilers

It Breaks an Electrical Circuit to Shut Down the Burner if Steam Pressure Rises Above a Safe Level

The PA404B is Used with Suspension-Type Unit Heaters to Make the Fan Circuit When a Pressure Rise Indicates the Presence of Steam

Each Model Contains an SPST Micro Switch Snap Acting Switch

Sensitive Pressure-Actuated Diaphragm Expands or Contracts with Pressure Variations, Moving a Lever Mechanism Which Operates the Snap Switch

A Screw on Top of the Case Allows Set Point Adjustment without Removing the Cover

Differential is Adjusted by Means of a Dial Located Inside the Case

Item#:
71201
Manufacturer Item:
PA404A1033/U
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10 Kilo Ohm, 10' Cable, NTC Thermistor, Floor Sensor for Dual Sensing Dial/Digital Thermostat
Item#:
89644
Manufacturer Item:
236497-001
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4-Zone, Zone Control Module (1 per Pack)
Item#:
89641
Manufacturer Item:
243047-001
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Actuator Control Wiring Junction Box with 40 VA Transformer for 4 Manifold (1 per Pack)

Simplify the wiring process

Easy to follow PC board and secure screw terminal layout eliminates problems caused by incorrect wiring

External indicator lights confirm operation sequence and diagnostic feedback

The unit includes two built-in 40 Volt Amp transformers, Extra fuses provided

Item#:
89640
Manufacturer Item:
298276-001
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24 VAC, Digital, Dual Sensing, 3-Wire, Programmable, Thermostat

This 3-Wire Thermostat Offers System Set-Up Capabilities with Simple, Easy-To-Use Menus

There is a Reduced Operating Mode which May be Used for Nighttime and Vacation Periods

With the Optional Floor Sensor this Thermostat Can Regulate Either the Floor or the Room Temperature or Both in that Case the Floor Sensor is Used as a Temperature Limiter, Either High or Low Limit

Thermostat May Also be Used to Control Relays and Other Low Voltage Controls

This Thermostat Uses Silent Operation Electronic Triac Output

Item#:
89643
Manufacturer Item:
236487-002
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1/8", MPT, 125 PSI CWP, Chrome Plated Brass, Coin Key Air Vent Valve
Item#:
52719
Manufacturer Item:
110-338
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Key for 1/8" Coin Key Air Vent
Item#:
52718
Manufacturer Item:
110-340
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1/8", MPT, 200 PSI, Forged Brass, Automatic, Hot Water Air Vent
Item#:
52717
Manufacturer Item:
110-331
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1/8" x 1/8", MPT x MPT, 10 PSI, Chrome Plated Brass, Straight, Low Pressure, Non-Vacuum, Economy Air Vent

Straight configurations can be installed onto radiators or within the system, for branch or main venting functions (multiple vents may be required for this type of installation)

Durable chrome-plated finish is both decorative and functional

all configurations are plated and are more resistant to moisture staining than unplated vents

Item#:
52723
Manufacturer Item:
110-322
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3/4" x 1/2", MPT x FPT, 10 PSI, Chrome Plated Brass, Straight, Low Pressure, Non-Vacuum, Economy Air Vent

Straight configurations can be installed onto radiators or within the system, for branch or main venting functions (multiple vents may be required for this type of installation)

Durable chrome-plated finish is both decorative and functional

all configurations are plated and are more resistant to moisture staining than unplated vents

Item#:
52722
Manufacturer Item:
110-324
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1/8" x 1/8", MPT x MPT, Chrome Plated, Angle, Air Vent
Item#:
52721
Manufacturer Item:
110-321
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1/8" x 1/8", MPT x MPT, 10 PSI, Chrome Plated Brass, Adjustable Angle, Low Pressure, Non-Vacuum, Economy Air Vent

Angle configurations are typically Installed at the top of a steam radiator, for the purpose of venting trapped air by means of steam displacement

Durable chrome-plated finish is both decorative and functional

all configurations are plated and are more resistant to moisture staining than unplated vents

The adjustable T-90A is capable of slow, medium or fast venting, to accommodate extreme variations in room temperatures, such as colder rooms with radiators located farthest from the boiler, to hotter rooms with radiators located closest to the boiler

Item#:
52720
Manufacturer Item:
110-325
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3/4", Soldered x Soldered, 125 PSI, Bronze, Automatic, Air Eliminator

No Clog Vent

Dirt and Debris Resistant

360 Degree Adjustable Collar Ring for Installation Flexibility

Stainless Steel Concentrator Which Eliminates Gurgling Noise

Bronze Body for Rigid Construction

Guarantees Fast Start up with Automatic Venting

Micro-Bubble Concentrator has Three Times the Impact Area of Other Products

Helps Prevent Corrosion of System Components

Improves System Efficiency

Made in USA

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12 mA at 2' Candle, 400 to 1000 Ohm Sensitivity, Plug-In, Cell Assembly for C554A Cadmium Sulfide Flame Detector
Item#:
74596
Manufacturer Item:
130367/U
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New Style 90D, Air Vent Top for SuperVent PV Residential/Commercial Heating and Cooling System
Item#:
66517
Manufacturer Item:
PV-020RP/U
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2", FPT x FPT, 125 PSI, Bronze, Automatic, Air Eliminator

No Clog Vent

Dirt and Debris Resistant

360 Degree Adjustable Collar Ring for Installation Flexibility

Stainless Steel Concentrator Which Eliminates Gurgling Noise

Bronze Body for Rigid Construction

Guarantees Fast Start up with Automatic Venting

Micro-Bubble Concentrator has Three Times the Impact Area of Other Products

Helps Prevent Corrosion of System Components

Improves System Efficiency

Made in USA

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1", FPT x FPT, 125 PSI, 6.2 CV, Bronze, Universal, Air Purger

No Clog Vent

Dirt and Debris Resistant

360 Degree Adjustable Collar Ring for Installation Flexibility

Stainless Steel Concentrator Which Eliminates Gurgling Noise

Item#:
66514
Manufacturer Item:
PVU100/U
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1-1/2", FPT x FPT, 125 PSI, Bronze, Automatic, Air Eliminator

No Clog Vent

Dirt and Debris Resistant

360 Degree Adjustable Collar Ring for Installation Flexibility

Stainless Steel Concentrator Which Eliminates Gurgling Noise

Bronze Body for Rigid Construction

Guarantees Fast Start up with Automatic Venting

Micro-Bubble Concentrator has Three Times the Impact Area of Other Products

Helps Prevent Corrosion of System Components

Improves System Efficiency

Made in USA

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1-1/4", Soldered x Soldered, 125 PSI, Bronze, Automatic, Air Eliminator

No Clog Vent

Dirt and Debris Resistant

360 Degree Adjustable Collar Ring for Installation Flexibility

Stainless Steel Concentrator Which Eliminates Gurgling Noise

Bronze Body for Rigid Construction

Guarantees Fast Start up with Automatic Venting

Micro-Bubble Concentrator has Three Times the Impact Area of Other Products

Helps Prevent Corrosion of System Components

Improves System Efficiency

Made in USA

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1", Soldered x Soldered, 125 PSI, Bronze, Automatic, Air Eliminator

No Clog Vent

Dirt and Debris Resistant

360 Degree Adjustable Collar Ring for Installation Flexibility

Stainless Steel Concentrator Which Eliminates Gurgling Noise

Bronze Body for Rigid Construction

Guarantees Fast Start up with Automatic Venting

Micro-Bubble Concentrator has Three Times the Impact Area of Other Products

Helps Prevent Corrosion of System Components

Improves System Efficiency

Made in USA

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2" x 2-1/8" x 5-5/8", 120/240 VAC, 12 VDC, 100 to 240 Deg F, SPST, Horizontal/Vertical, Temperature Controller with 3/4" Well

Totally Enclosed Micro Switch Snap Acting Switches Operate on Temperature Rise to Set Point

Visible Control Point Scale and External Adjustment Screw Permit Easy Setting

Direct or Well Immersion of the Sensing Element

Horizontal or Vertical Insertion of the Sensing Element

Remote Bulb Model May be Used to Sense Air Temperature in Ducts and in Outside Air Sensing Application

Item#:
70566
Manufacturer Item:
L4006E1117/U
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2" x 2-1/8" x 5-5/8", 3/4" Conduit, Screw Terminal, 100 to 240 Deg F, SPST, Contact Break on Temperature Rise, 3/8" x 2-7/8" Copper Bulb, 3" Capillary, Direct Horizontal/Vertical Well Immersion, High/Low Limit, Temperature Controller

Totally Enclosed Micro Switch Snap Acting Switches Operate on Temperature Rise to Set Point

Visible Control Point Scale and External Adjustment Screw Permit Easy Setting

Direct or Well Immersion of the Sensing Element

Horizontal or Vertical Insertion of the Sensing Element

Remote Bulb Model May be Used to Sense Air Temperature in Ducts and in Outside Air Sensing Application

Item#:
70565
Manufacturer Item:
L4006A1678/U
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2" x 2-1/8" x 5-5/8", 3/4" Conduit, Screw Terminal, 100 to 240 Deg F, SPST, Contact Break on Temperature Rise, 3/8" x 2-7/8" Copper Bulb, 1-1/2" Capillary, Direct Horizontal/Vertical Well Immersion, High/Strap-On, Temperature Controller

Totally Enclosed Micro Switch Snap Acting Switches Operate on Temperature Rise to Set Point

Visible Control Point Scale and External Adjustment Screw Permit Easy Setting

Direct or Well Immersion of the Sensing Element

Horizontal or Vertical Insertion of the Sensing Element

Remote Bulb Model May be Used to Sense Air Temperature in Ducts and in Outside Air Sensing Application

Item#:
70564
Manufacturer Item:
L4006H1004/U
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2" x 2-1/8" x 5-5/8", 3/4" Conduit, Screw Terminal, 130 to 270 Deg F, SPST, Contact Break on Temperature Rise, 3/8" x 2-7/8" Copper Bulb, 66" Capillary, High Limit/Manual Reset, Remote Bulb Controller

Remote Temperature Sensing Element Detects and Responds Rapidly to Temperature Changes

Totally Enclosed Single Pole Single Throw (SPST) Micro Switch Snap-Acting Switch

Visible Control Point Scale and External Adjustment Screw Permit Easy Setting

Item#:
70568
Manufacturer Item:
L4008E1156/U
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3/4"-14 NPT, 3/8" x 3" Bulb, 5/64" Capillary, 1-1/2" Insulation, Copper, Immersion, Aquastat Sensor Well Assembly

Bulb Shield Protect the Sensing Bulb from Sun and Weather with the Bulb Installed Outdoor

Immersion Well Allow Heat Transfer While Protecting the Sensing Bulb from Contact with the Controlled Medium

Immersion Well Permit Removal of the Sensing Bulb for Testing or Replacement without Draining the System

Item#:
74541
Manufacturer Item:
121371B/U
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1/2"-14 NPT, 3/8" x 3" Bulb, 5/64" Capillary, 1-1/2" Insulation, Copper, Immersion, Aquastat Sensor Well Assembly

Bulb Shield Protect the Sensing Bulb from Sun and Weather with the Bulb Installed Outdoor

Immersion Well Allow Heat Transfer While Protecting the Sensing Bulb from Contact with the Controlled Medium

Immersion Well Permit Removal of the Sensing Bulb for Testing or Replacement without Draining the System

Item#:
74540
Manufacturer Item:
121371A/U
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1/2 Oz Tube, 70% Lithium Complex/30% Aluminum, Heat Conductive Grease for L7224U Oil Electronic Aquastat Controller
Item#:
74539
Manufacturer Item:
120650/U
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1/8", MPT, 212 Deg F, 90 PSI, Thermoplastic, Automatic, Float, Air Vent

Automatic Air Vent Purges Air from High Pressure Mains and Equipment in Hot or Cold Closed Water System

Includes Removable Float/Valve Assembly for Easy Servicing

Not for use in Steam System

Body, Cover and Float Assembly Made of Thermoplastics

Internal Parts Made of Corrosion Resistant and Chemical Resistant Materials for Use with Water System Containing Light Concentrations of Propylene Glycol, Mineral Oils or Petroleum-Based Oils

Oil Resistant Seal

NBR Seat Disc and O-Ring

Item#:
74975
Manufacturer Item:
EA122A1002
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1/2"-14 NPT, 1/2" x 4" Bulb, 1/8" Capillary, 1-1/2" Insulation, Copper, Immersion, Temperature Controller Well Assembly

Bulb Shield Protect the Sensing Bulb from Sun and Weather with the Bulb Installed Outdoor

Immersion Well Allow Heat Transfer While Protecting the Sensing Bulb from Contact with the Controlled Medium

Immersion Well Permit Removal of the Sensing Bulb for Testing or Replacement without Draining the System

Item#:
74431
Manufacturer Item:
112622AA/U
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1-1/2", FPT x FPT, 125 PSI, Cast Iron, Heavy Duty, Air Purger

Directional Flow Arrow for Correct Installation

Item#:
65411
Manufacturer Item:
AP402/U
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1-1/4", FPT x FPT, 125 PSI, Heavy Duty Cast Iron, Air Purger

Honeywell AP400 Series Air Purgers Provide Air and Water Separation in Hydronic Heating Systems, Improving Efficiency and Reducing Noise

Solidly Constructed of Cast Iron

The Air Purgers Feature Tappings for Expansion Tank and Auto Air Vent Mounting

Directional Flow Arrow for Correct Installation

Item#:
65410
Manufacturer Item:
AP401/U
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1", FPT x FPT, 125 PSI, Cast Iron, Heavy Duty, Air Purger

Directional Flow Arrow for Correct Installation

Item#:
65409
Manufacturer Item:
AP400/U
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3/8" x 5", Remote Bulb Shield Assembly for Temperature Controller
Item#:
74390
Manufacturer Item:
107323A/U
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