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

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

The DELAVAN 1.25 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 0.85 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

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 1.00 60B1 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 1.00 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 0.75 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

• Replacement Cartridge Assembly For Taco 007 Cast Iron Circulators
• Repair Part
• Select 007 Pump Models
• 005 Pump Model 005-F2-4
• Cast Iron

Character size 1/8"

• Steel dies
• Exclusive thumb grip
• Sharp characters for deep impression
• Wood box holder
• Pkg of 27
• Black
• Sharp engraved characters to ensure deep impression
• Features exclusive thumb grip for convenient handling
• Steel dies for durability and versatility
• Wooden box holder for keeping the letter stamps organized

I Series Combi Primary Secondary Heating Kit

• I Series Combi
• Heating Kit
• Primary Secondary
• 807000212

Danfoss -- Wall Mount Operator with Combined Remote Mounted Sensor, Dial and Capillary Tube For Ra2000 Units. Cap Size: 16".

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 100 degree F to 240 degree F
• Differential temperature (F) 5 degree F to 30 degree F adjusted
• SPDT switching action
• Stop factory-set at 240 degree F (116 degree C); heat-conductive compound

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

3/4 cast iron circulator flange. Heavy-duty and can be used on competing models. Genuine factory replacement.

• Universal type flange fits bell and Gossett 100 series, Armstrong Pumps
• Fits Armstrong Astro 2 series
• Can be used on B & G circulators
• Factory replacement
• Heavy-duty
• Includes nuts and bolts
• Includes gaskets
• Fits on Armstrong S & H circulators
• Fits taco "00" series
• Fits Grundfos "UP" series

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

4- spring Coupler for S & H circulators. Cast iron construction for long service life. Easy cross reference to competing models.

• Cast iron construction
• Couples motor to pump inside bearing assembly housing
• Used on S-25,S-35.H32,H41
• Can used be placed on B & G circulator
• Equals B & G #118705
• Equals B & G #189110
• No balancing required
• No rusting due to construction
• Durable
• Genuine factory replacements

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

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)

This 1 in. isolation pump flange is designed to isolate circulator pumps to facilitate circulator pump replacement or repairs. It features a brass body and flange with bottom loaded blowout proof stem, Buna-N Stem O-Ring seal, and virgin PTFE seat. Optional T-handle included.

• Brass body and flange
• Buna-N stem O-ring seal
• Solder end connection
• Virgin PTFE seats
• Optional T-handle included
• Helps with circulator pump replacement or repairs

High Capacity Thermostatic Radiator Valves with T104 Actuators provide control of temperature by modulating the flow of hot water or steam through free-standing radiators, convectors and other heating units with high capacity requirements. Continually monitor and adjust room temperature for consistent comfort and relief from under-heating and overheating. Designed with the higher capacity normally required by North American heating systems.

• Controller with combined remote setpoint and sensor mounted on a wall. Setpoint/sensor connect with a capillary tube to an actuator, which mounts on the valve body. For V110 valves
• Valve seat disc, which is made of resilient material (EPDM), ensures tight shutoff on steam or hot water systems
• Nickel-plated bronze casted body with working parts in cartridge insert for ease of service
• All working parts are replaceable while valve remains in service, in-line, under pressure
• Controls include sensor, set point dial and valve actuator; components may be integral or connected by capillary tubes
• Require no electrical connections
• Meet ASHRAE standard 102-1989
• 40 mm collar diameter
• Temperature Range (F) 48 degree F to 79 degree F
• Capillary Length (ft)6 ft. 8 in.

The DELAVAN 0.50 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