Engineered for reliability, The Taco Heat Motor Power Head provides a time proven method for operation of hydronic zone valves. The exclusive heat motor design operates silently, while the twist off head allows for serviceability without disturbing system connections. This power head is 24 VAC powered with an isolated end switch.

• Isolated end switch
• 24 VAC powered
• For Taco series 570 zone valves (570, 571, 572, and 573)
• Allows for service of valve without removing it

The Taco 3/4 in.cast iron Freedom Flange set includes: (2) flanges, (4) nuts, and (4) mounting bolts. These flanges are designed for use with Taco "00", "00e", "2400", and "100" series hydronic circulators. Easily installed and removed with a common wrench.

• For use in a hydronic heating system
• Compatible with a wide variety of Taco circulators
• 3/4 in. Dia connection size
• Unique hex design provides easy-on, easy-off installation with a standard adjustable wrench

Aquastat Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks and other applications where temperature control is required. Direct or well immersion Tradeline models include heat-conductive compound. Circulator Control and High Limit or Low Limit.

• 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
• 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 applications
• Direct or well immersion Tradeline models include heat-conductive compound
• Temperature range maximum ambient-150 degree F
• Operating temperature range (F)65 degree F to 200 degree F
• Differential temperature (F) 5 degree F to 30 degree F adjusted
• SPDT switching action
• Stop factory-set at 200 degree F (93 degree C)

The DELAVAN 1.20 80A Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type A-nozzles are mainly used on burners with a hollow cone air pattern and for through puts up to 2.00 GPH. The droplet distribution is concentrated on the outside of the cone and results in good ignition and low-noise combustion. This boiler replacement part is compatible with an oil-burning appliance.

• Precise spray angles and optional spray uniformity through new machining process
• Reduced distributor size with shorter tangential slots to avoid plugging
• Aerodynamic body configuration
• Rolled threads to avoid metal chips and burrs
• Sintered filter for maximum protection
• Boiler replacement part is compatible with an oil-burning appliance
• ISO 9001 certified

All the features you trust from the original Isolator Uni-Flange ball valve, plus a 360 degree rotating flange that allows for orientation to any degree necessary for your installation. This forged brass full port ball valve features a blow-out proof stem, adjustable packing glands and a stainless steel snap ring for extra stability during installation. The only way to isolate circulator pumps.

• Conical inlet to minimize turbulence
• Replaces 3-components, eliminates 2-leak paths, saves approximately 20 minutes in labor
• Fits virtually any standard circulator pump
• Available with slotted holes for high velocity pumps
• Prevents electrolysis
• Eliminates galvanic corrosion

The DELAVAN 0.65 70B Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type B-nozzles produce a spray that distributes droplets uniformly throughout the complete pattern. The spray pattern becomes progressively hollower at higher flow rates, particularly above 8.00 GPH. Provides smooth ignition and efficient combustion, particularly in larger burners. This boiler replacement part is compatible with an oil-burning appliance.

• Precise spray angles and optional spray uniformity through new machining process
• Reduced distributor size with shorter tangential slots to avoid plugging
• Aerodynamic body configuration
• Rolled threads to avoid metal chips and burrs
• Sintered filter for maximum protection
• Boiler replacement part is compatible with an oil-burning appliance
• ISO 9001 certified

The DELAVAN 0.75 80W Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type W-nozzles are neither truly hollow nor solid. These nozzles frequently can be used in place of either solid or hollow cone nozzles between 0.40 and 8.00 GPH, regardless of the burners air pattern. The lower flow rates tend to be more solid. This boiler replacement part is compatible with an oil-burning appliance.

• Precise spray angles and optional spray uniformity through new machining process
• Reduced distributor size with shorter tangential slots to avoid plugging
• Aerodynamic body configuration
• Rolled threads to avoid metal chips and burrs
• Sintered filter for maximum protection
• Boiler replacement part is compatible with an oil-burning appliance
• ISO 9001 certified

SuperVent, purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding. Used in Residential or Commercial closed loop hydronic heating or chilled water systems. Can be cleaned in place.

• Stainless steel concentrator which eliminates gurgling noise
• Bronze body for rigid construction
• No clog vent
• Dirt and debris resistant
• Sweat connections
• 1/2 in. connection size
• Operating temperature range (F)240 degree F maximum
• 22 Cv capacity
• Maximum safe operating pressure 125 psi
• Rugged design stands up to tough conditions and continuous service

The DELAVAN 0.75 70B Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type B-nozzles produce a spray that distributes droplets uniformly throughout the complete pattern. The spray pattern becomes progressively hollower at higher flow rates, particularly above 8.00 GPH. Provides smooth ignition and efficient combustion, particularly in larger burners. This boiler replacement part is compatible with an oil-burning appliance.

• Precise spray angles and optional spray uniformity through new machining process
• Reduced distributor size with shorter tangential slots to avoid plugging
• Aerodynamic body configuration
• Rolled threads to avoid metal chips and burrs
• Sintered filter for maximum protection
• Boiler replacement part is compatible with an oil-burning appliance
• ISO 9001 certified

The Armstrong ball bearing SBA contain an interchangeable module that includes a stainless steel pump shaft and a housing that contains precision crafted front and back end bearings that are permanently lubricated. Safer solution for facility and service personnel. faster on site service and replacement.

• S&H #3 Series Maintenance-free Seal Bearing Assembly without Impeller
• Universal- fits B&G 3 piece circs
• A longer circulator life without maintenance (regular oil lubrication is not required) no more oil pools on floor
• Stainless steel face plate, coupler face guard meets or exceeds OSHA standards
• The standard for 65 years in hydronics
• Repairable, replaceable, environmentally friendly and now maintenance free

Exact Replacement Plastic Impeller for Broan 9910379H. Light-weight design reduces bearing wear and vibration. Celcon plastic construction.

• Broan exact replacement impellers
• Blade: 4-9/16 in. O.D.
• Hole: 0.218 in. I.D.
• Made in China

The Delavan .60 80B Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type B-nozzles produce a spray that distributes droplets fairly uniformly throughout the complete pattern. The spray pattern becomes progressively hollower at higher flow rates, particularly above 8.00 GPH. Provides smooth ignition and efficient combustion, particularly in larger burners. This boiler replacement part is compatible with an oil-burning appliance.

• Boiler replacement part
• For use with an oil-burning appliance
• Brass body
• Stainless-steel, solid orifice

The DELAVAN 0.50 70B1 Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type B-nozzles produce a spray that distributes droplets uniformly throughout the complete pattern. The spray pattern becomes progressively hollower at higher flow rates, particularly above 8.00 GPH. Provides smooth ignition and efficient combustion, particularly in larger burners. This boiler replacement part is compatible with an oil-burning appliance.

• Precise spray angles and optional spray uniformity through new machining process
• Reduced distributor size with shorter tangential slots to avoid plugging
• Aerodynamic body configuration
• Rolled threads to avoid metal chips and burrs
• Sintered filter for maximum protection
• Boiler replacement part is compatible with an oil-burning appliance
• ISO 9001 certified

AMRAD USA MADE RUN CAPACITOR

• 30+5.0 MF 370 440 RA2000/37 44-(306+505) +/-10%
• High-quality aluminum case ensures lasting durability
• Designed to efficiently withstand temperatures from -40°C to 70°C
• Suitable for use in 370 or 440 VAC applications
• OEM approved for reliability

ThIS Boiler Rest Control is designed to improve performance in your hot water heating systems by regulating the supply water temperature of a single boiler based on the outdoor temperature. It utilizes a heating curve to set the relationship between outdoor temperature and supply water temperature to provide optimum control and comfort. Thanks to its integral microprocessor, the PC700 Boiler Reset Control is able to continuously adjust the boiler differential to avoid boiler short-cycling and large temperature swings, Standard functions include warm weather shut down, minimum boiler supply temperature setting, and a starting water temperature setting.

• Regulates water supply temperature of a boiler
• Helps avoid short cycling of the boiler
• Liquid crystal display for temperature
• Warm weather shut down feature

The DELAVAN 0.85 60A Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type A-nozzles are mainly used on burners with a hollow cone air pattern and for through puts up to 2.00 GPH. The droplet distribution is concentrated on the outside of the cone and results in good ignition and low-noise combustion. This boiler replacement part is compatible with an oil-burning appliance.

• Precise spray angles and optional spray uniformity through new machining process
• Reduced distributor size with shorter tangential slots to avoid plugging
• Aerodynamic body configuration
• Rolled threads to avoid metal chips and burrs
• Sintered filter for maximum protection
• Boiler replacement part is compatible with an oil-burning appliance
• ISO 9001 certified

The DELAVAN 1.10 80A Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type A-nozzles are mainly used on burners with a hollow cone air pattern and for through puts up to 2.00 GPH. The droplet distribution is concentrated on the outside of the cone and results in good ignition and low-noise combustion. This boiler replacement part is compatible with an oil-burning appliance.

• Precise spray angles and optional spray uniformity through new machining process
• Reduced distributor size with shorter tangential slots to avoid plugging
• Aerodynamic body configuration
• Rolled threads to avoid metal chips and burrs
• Sintered filter for maximum protection
• Boiler replacement part is compatible with an oil-burning appliance
• ISO 9001 certified

The Isolator is a uni-flange ball valve that isolates a circulator pump, allowing virtually no air into the system during pump replacement or service. Its innovative design combines multiple components into a single forged brass body that saves time, labor and space. The Isolator has revolutionized the installation of circulator pumps and has evolved into the largest flanged ball valve program in the industry today, featuring patented technology with further patents pending. Designed for use with water, oil, glycol mix in residential or commercial residential plumbing, commercial plumbing, heating systems. Refer to specification sheets for additional technical information. All Webstone products are backed by a limited lifetime warranty.

• Easily Isolates the Pump for Replacement
• Replaces 8 components, eliminates 7 leak paths, saves approximately one hour in labor
• Fits virtually any standard circulator pump
• Available with slotted holes for high velocity pumps
• Prevents Electrolysis and Eliminates Galvanic Corrosion
• Rotating Flange is Secured by a Snug-Fit Snap-Ring that Provides Greater Control Over Positioning During Installation

The DELAVAN 0.60 60B Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type B-nozzles produce a spray that distributes droplets uniformly throughout the complete pattern. The spray pattern becomes progressively hollower at higher flow rates, particularly above 8.00 GPH. Provides smooth ignition and efficient combustion, particularly in larger burners. This boiler replacement part is compatible with an oil-burning appliance.

• Precise spray angles and optional spray uniformity through new machining process
• Reduced distributor size with shorter tangential slots to avoid plugging
• Aerodynamic body configuration
• Rolled threads to avoid metal chips and burrs
• Sintered filter for maximum protection
• Boiler replacement part is compatible with an oil-burning appliance
• ISO 9001 certified

The Honeywell Home Aquastat Relay is designed for use with an HVAC heating system. This immersion-type controller provides high limit protection while switching control of the oil burner and the circulator. Compatible with Honeywell Home models.

• Designed for use with an HVAC heating system
• 120 240 degree F range with 8 degree F fixed differential, low volt/millivolt
• Select models include transformer and accessory terminals for adding a remote low limit controller
• Requires a 24 VAC thermostat with heat anticipator set at 0.2A

The DELAVAN 0.85 70A Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type A-nozzles are mainly used on burners with a hollow cone air pattern and for through puts up to 2.00 GPH. The droplet distribution is concentrated on the outside of the cone and results in good ignition and low-noise combustion. This boiler replacement part is compatible with an oil-burning appliance.

• Precise spray angles and optional spray uniformity through new machining process
• Reduced distributor size with shorter tangential slots to avoid plugging
• Aerodynamic body configuration
• Rolled threads to avoid metal chips and burrs
• Sintered filter for maximum protection
• Boiler replacement part is compatible with an oil-burning appliance
• ISO 9001 certified

The DELAVAN 0.50 60A1 Oil Nozzle has a stainless-steel, hollow orifice and features a brass body. Type A-nozzles are mainly used on burners with a hollow cone air pattern and for through puts up to 2.00 GPH. The droplet distribution is concentrated on the outside of the cone and results in good ignition and low-noise combustion. This boiler replacement part is compatible with an oil-burning appliance.

• Precise spray angles and optional spray uniformity through new machining process
• Reduced distributor size with shorter tangential slots to avoid plugging
• Aerodynamic body configuration
• Rolled threads to avoid metal chips and burrs
• Sintered filter for maximum protection
• Boiler replacement part is compatible with an oil-burning appliance
• ISO 9001 certified

The Armstrong SBA contain an interchangeable module that includes a stainless steel pump shaft a housing that contains a precision crafted front and back end bearings that are permanentlty lubricated. Safer solutions for Facility and service personnel. faster onsite service and replacement.

• S&H #2 Series Maintenance-free Seal Bearing Assembly with Impeller
• Universal- fits B&G 3 piece circs
• A longer circulator life without maintenance (regular oil lubrication is not required)no more oil pools on floor
• Stainless steel face plate, coupler face guard meets or exceeds OSHA standards
• The standard for 65 years in hydronics
• Repairable, replaceable, environmentally friendly and now maintenance free

This 3/4 in. lead free anti-siphon hot or cold water vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphonage. It consists of chrome plated body, chemical resistant silicone seat disc, chrome hood, and an atmospheric vent to prevent spilling. It has a full size orifice to assure pipe size capacity and maximum flow. It is ideal for low flow, non-continuous hot or cold water health hazard installations such as on laboratory equipment.

• Lead free construction
• Chrome finish
• Female NPT inlet and outlet
• Hot or cold water
• Designed to prevent the backflow of polluted water from entering into the potable water supply
• Ideal for low flow, non-continuous hot or cold water health hazard installations such as on laboratory equipment
• Maximum pressure is 125 psi