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Brand Name
Brand Name
Type
Type
Sid Harvey C312-10R High Limit Aquastat Relay, 100 - 240 deg F
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Item#:
C312-10R
Manufacturer Item:
C312-10
Manufacturer:
SID HARVEY REMANUFACTURED
Sid Harvey High Limit Aquastat Relay 8F differential REMANUFACTURED. Immersion type controllers that combine high limit protection with switchingrelay control of burner and circulator motors
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- High limit opens burner circuit only.
- Includes transformer and accessory terminals for adding a remote low limit controller.
- Case available for horizontal or vertical mounting.
- Requires a 24 VAC thermostat with heat anticipator set at 0.2 amps.
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Item#:
C312-8R
Manufacturer Item:
L8148A1017
Manufacturer:
SID HARVEY REMANUFACTURED
Sid Harvey Honeywell L8124C High Limit Triple Aquastat Relay, 120 VAC, SPST, 130 - 240 deg F High Limit, 110 - 220 deg F Low Limit
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- Immersion type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
- Provide multi-zone control by using a separate circulator and R845 relay for each zone
- Include diaphragm powerhead and micro switch assembly that respond to temperature changes in boiler water
- Mount directly to boiler
- Select models include large transformers and extra terminals for supplying power to low voltage zone valves
- Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)
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Item#:
C317-5R
Manufacturer Item:
L8124C1003
Manufacturer:
SID HARVEY REMANUFACTURED
Honeywell L8124E High Limit Triple Aquastat Relay, 120 VAC, SPST, 130 - 240 deg F High Limit, 110 - 220 deg F Low Limit
- Immersion type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
- Provide multi-zone control by using a separate circulator and R845 relay for each zone
- Include diaphragm powerhead and micro switch assembly that respond to temperature changes in boiler water
Mount directly to boiler - Select models include large transformers and extra terminals for supplying power to low voltage zone valves
- Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)
Item#:
C317-7R
Manufacturer Item:
L8124E1016
Manufacturer:
SID HARVEY REMANUFACTURED
Honeywell L8124G1020 High Limit Triple Aquastat Relay, 120 VAC at 60 Hz, SPST
- Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
- Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)
- Include diaphragm powerhead and micro Switch assembly that respond to temperature changes in boiler water
- Mount directly to boiler
- Provide multi-zone control by using a separate circulator and R845 relay for each zone
- Electrical burner rating: full load - 7.4 amp at 120 VAC line voltage, 3.7 amp at 240 VAC; locked rotor - 44.4 amp at 120 VAC line voltage, 22.7 amp at 240 VAC
- Electrical circulator rating: 7.4 amp at 120 VAC, 3.7 amp at 240 VAC full load; 44.4 amp at 120 VAC, 22.2 amp at 240 VAC locked rotor
Sid Harvey Honeywell L8124L High Limit Triple Aquastat Relay, 24 - 120 VAC, SPST, 130 - 240 deg F High Limit, 110 - 220 deg F Low Limit
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- Immersion type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
- Provide multi-zone control by using a separate circulator and R845 relay for each zone
- Include diaphragm powerhead and micro switch assembly that respond to temperature changes in boiler water
- Mount directly to boiler
- Select models include large transformers and extra terminals for supplying power to low voltage zone valves
- Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)
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Item#:
C317-11R
Manufacturer Item:
L8124L1011
Manufacturer:
SID HARVEY REMANUFACTURED
Sid Harvey Honeywell L8124A High and Low Limit Circulator Triple Aquastat Relay, 120 VAC, 130 - 240 deg F Adjustable High Limit, 110 - 220 deg F Adjustable Low Limit
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- Immersion type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
- Provide multi-zone control by using a separate circulator and R845 relay for each zone
- Include diaphragm powerhead and micro switch assembly that respond to temperature changes in boiler water
- Mount directly to boiler
- Select models include large transformers and extra terminals for supplying power to low voltage zone valves
- Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)
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Item#:
C317-2R
Manufacturer Item:
L8124A1007,1015,1098
Manufacturer:
SID HARVEY REMANUFACTURED
Sid Harvey Honeywell Pressuretrol PA404A Pressure Controller with additive differential, 0.5 - 9 psi, 3-3/8 Inch W x 4-15/32 Inch H x 2-1/4 Inch D
- 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
- 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 setpoint adjustment without removing the cover
- Differential is adjusted by means of a dial located inside the case
- Recommended minimum setpoint is differential setting plus 1-1/2 psi
- Stainless steel diaphragm sensor element
- Makes at setpoint on pressure fall breaks at setpoint plus differential on pressure rise Honeywell Pressuretrol PA404A Pressure Controller with additive differential, 0.5 - 9 psi, 3-3/8 Inch W x 4-15/32 Inch H x 2-1/4 Inch D,
Item#:
C354R
Manufacturer Item:
PA404A1033
Manufacturer:
SID HARVEY REMANUFACTURED
Sid Harvey C354-1R Pressuretrol Controller, SPST, 0.5-9 psi Adjustable, 3-3/8" W x 4-15/32" H x 2-1/4" D, Remanufactured
- The PA404 is a series 40 (2-wire, SPST) pressuretrol controller for use in 24, 120, 240 or 277 volt control circuits or in self powered (millivoltage) applications
- 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
- Recommended minimum set point is differential setting plus 1-1/2 psi
- Tradeline value
- Stainless steel diaphragm sensor element
- Additive or subtractive differential type
- Makes at set point plus differential on pressure rise, breaks at set point on pressure fall
- 50 psi pressure surge
- 0.5-9 psi adjustable scale range,
Item#:
C354-1R
Manufacturer Item:
PA404B1023
Manufacturer:
SID HARVEY REMANUFACTURED
Sid Harvey C317R Triple Aquastat, 110 - 220 deg F Low Limit, 130 - 240 deg F High Limit, 10 - 25 deg F Adjustable Low Limit, 10 deg F Fixed High Limit Differential, SPST, 120 VAC, Remanufactured
- Immersion type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water
- Provides multi zone control by using a separate circulator and relay for each zone
- Includes diaphragm power head and Micro-Switch assembly that respond to temperature changes in boiler water
- Mounts directly to boiler
- Requires a 24 VAC thermostat with heat anticipator set at 0.2 ampSid Harvey Item #:C317R: Replaces Part #:'s : AQU8124A1007-C317-2B | C317-2B | C317-2R,
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Item#:
C317R
Manufacturer Item:
L8024A
Manufacturer:
SID HARVEY REMANUFACTURED
Sid Harvey L8151A is a remote bulb controller for use with hydronic heating systems that include domestic hot water service.
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- Provides high limit, low limit and circulator control for maintaining boiler temperatures
- Can provide multizone control by using a separate thermostat and R845 Relay for each zone
- An internal transformer powers the thermostat circuit
- Shielded capillary allows convenient mounting
- Consists of a diaphragm powerhead and micro switch assembly that responds to temperature changes in the boiler water
- Mounting lugs on back of case
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Item#:
C317-13R
Manufacturer Item:
L8151A
Manufacturer:
SID HARVEY REMANUFACTURED