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Taco flo-cheks have dependably stopped gravity circulation in forced hot water heating systems for over 40 years. Flo-cheks open automatically when the circulator starts running. They feature a thumb screw to manually open the valve and are available in a cast iron universal body and a bronze sweat in-line configuration.
- Flo-cheks allow heat to flow only into the zones that are calling for heat
- Thumb screw can be manually opened for gravity feed applications if the main circulator stops operating
- Taco flo-cheks open automatically when the circulator starts running
- Water or water/glycol media
Taco 241
Hydrolevel Safgard 550P Low Water Cut-Off, 120 VAC, 160 psi, Manual Reset
- Automatically shuts off burner in a low water condition to prevent boiler damage
- Heavy duty construction and 16 amp relay suitable for virtually any commercial water boiler needs
- Burner circuit test butTon and interrupts power immediately in a low water condition
- LED indicator lights
- SPDT switch contact
- Includes EL1214-P probe with longer nut for boilers with thicker jackets
Hydrolevel 550P
Mcdonnell & Miller 61 Low Water Cut-Off, 120/240 VAC, 20 psi, Automatic
McDonnell & Miller 61
Item#:
61
Manufacturer Item:
140100
Manufacturer:
XYLEM INC.
Mcdonnell & Miller GuardDog 752P-MT-24 Electronic Low Water Cut-Off, 24 VAC, 15 psi Steam, 160 psi Water, Automatic Reset
- No lock out with loss of power if probe is in water
- Test butTon
- Green LED indicates power on
- Red LED indicates low water
- 20000 ohm probe sensitivity
- With standard probe
McDonnell & Miller 752P-MT-24
Item#:
752P-MT-24
Manufacturer Item:
176296
Manufacturer:
XYLEM INC.
BackStop Hydronic ExpansionTanks absorb the expansion pressure in residential or commercial hydronic (forced hot water) heating and cooling systems. Each tank is pressure rated up to 150
PSI and equipped with a carbon steel connection. High-grade, deep drawn steel is used for improved strength to weight ratio. Larger models feature a rugged, stable, base.
Duratrac 12-H60
Item#:
12-H60
Manufacturer Item:
12-H60
Manufacturer:
WATTS REGULATOR CO
BackStop Hydronic ExpansionTanks absorb the expansion pressure in residential or commercial hydronic (forced hot water) heating and cooling systems. Each tank is pressure rated up to 150
PSI and equipped with a carbon steel connection. High-grade, deep drawn steel is used for improved strength to weight ratio. Larger models feature a rugged, stable, base.
- MATERIALS
- Shell: Carbon Steel
- System Connection: Carbon Steel
- Coating: Metallic Silver Paint
- Diaphragm: Heavy Duty Butyl Rubber
- Liner Material: No Liner
- Factory Preset Pressure:12 PSI
- OPERATING LIMITATION
- Max. Pressure: 150 PSI (1035 kPa)
- Max. Temperature: 210° F (99° C) ,
Duratrac 12-H30
Item#:
12-H30
Manufacturer Item:
H30
Manufacturer:
DURATRAC PRODUCTS