Relief Valves
The VR-801 Vacuum Relief Valve is designed to protect hot water supply systems and pressure vessels against negative pressure. Installed on the cold water supply line, the Cash Acme VR-801 closes tightly under pressure and opens at a 1 in. mercury vacuum. Atmosphere admitted to the system breaks the vacuum, preventing collapse of the storage tank.
- Brass body
- Silicone seat disc
- Prevents internal vacuum conditions
- Guards against siphonage
- Opens quickly in emergency situations
- Every valve is tested for performance prior to shipping
This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).
- Bronze body for durability
- Threaded connections
- Strainer screen
- Horizontal or vertical installation
This 1/8 in. automatic air vent valve is used in commercial and residential hydronic heating applications to provide automatic air venting for hot or cold water distribution systems. It consists of a brass body construction with male NPT connection, brass cover, air vent with silicone rubber seal, polyethylene float with valve plug, and automatic vent. It has a high temperature rating and is ideal for use with glycol systems or for use as an anti-vacuum device. It can also be installed to permit the separation and dispersal of air while fluid is circulating in the system. It can be disassembled for inspection and cleaning. The maximum pressure is 150 psi (10 BAR).
- Body and cover are brass construction
- Air vent with silicon rubber seal
- Float is high temperature resistant polyethylene
- Suitable for use with glycol systems
- Can be disassembled for inspection and cleaning
- Provides automatic air venting for hot or cold water distribution systems
- Purge air that may be in the water system
- Minimum working pressure is 1.45 psi
- Maximum working pressure is 150 psi
- Temperature range is 33 to 240 degree F
This 1/2 inch high capacity feed water pressure regulator is for use in commercial and residential hydronic heating systems to fill the boiler and piping system with water, and to maintain water pressure in the system at all times. It also provides make-up water to the system in the event of system leaks. It consists of a bronze body with union threaded inlet and NPT threaded outlet connections, a tight seating check valve, stainless steel strainer, and purge lever for manual purging. It has high capacity performance and a simplified servicing design. It is suitable for use in the boiler feed lines of hydronic heating systems. The maximum pressure is 100 psi (6.9 bar).
- Tight seating check valve
- Purge lever
- High capacity
- Stainless steel strainer
- Female threaded inlet connection
- Female threaded outlet connection
This 3/4 in. pressure relief valve is used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. It consists of a iron body with forged bronze inlet, non-metallic disc-to-metal seating and stainless steel spring. This valve resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and should not be used as an operating control. The pressure setting is 30 psi for applications up to 550,000 BTU/hr.
- Iron body with forged bronze inlet
- 3/4 in. female inlet
- Set pressure at 30 psi
- 550,000 BTU/hr rating
- Resists corrosive water conditions
- Designed for emergency safety relief and should not be used as an operating control
This 3/4 in. lead free temperature and pressure relief valve is designed to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU per hour. This two in one relief valve provides a proven and cost effective means to protect against excessive temperature and pressure emergency conditions. It features a lead free copper alloy body with NPT male inlet and NPT female outlet connections, a unique thermostat with special thermo-bonded coating, and test lever. The temperature relief is 210 degree (99 degree C) and the pressure relief is set at 125 psi (8.6 BAR).
- Lead free copper body construction
- Unique thermostat with special thermo-bonded coating
- Protects against excessive temperature and pressure during emergency conditions
- Temperature relief is 210 degree F (99 degree C)
- Pressure relief set at 125 psi
- ASME rated, CSA listed
- 3/4 in. NPT male inlet and NPT female outlet connections
- Used to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr
- ANSI Z21.22 certified
- Automatic reseating
This 1/2 in. bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 in. union solder inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).
- Pre-assembled unit
- Solder connection
- All bronze, union solder x female NPT
- High capacity fill
Pro-Pal valves are your best choice for efficient installation and system operation, and for helping to control costs. Pro-Pal valves combine commonly used components into a single forged brass alternatives that will save time and space in any installation. Instead of just building your next piping system, innovate it with Pro-Pal series valves. 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.
- Eliminates assemblies needed to isolate and drain any portion of a piped system
- Press or SWT x FIP options designed specifically for use with pre-fabricated threaded headers
- Avoids reduced-port alternatives
- Creates cleaner-looking, more efficient installations applications
- Reversible handle for added versatility
- Exclusive adjustable flow path allows for draining from either side of the ball
This 3/4 inch lead free temperature and pressure relief valve is designed to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr. This two-in-one relief valve provides a proven and cost effective means to protect against excessive temperature and pressure emergency conditions. It features a lead free copper alloy body with extended shank to accommodated up to 1 3/4 IN of insulation, NPT male inlet and NPT female outlet connections, a unique thermostat with special thermo-bonded coating, and test lever. The temperature relief is 210 degrees F (99 degrees C) and the pressure relief is set at 150 psi (10.3 bar).
- Lead free copper alloy body construction
- Extended shank for thick tank insulation up to 1 3/4 inches
- 3/4 IN male NPT inlet with pre-applied thread sealant
- ASME rated and CSA listed
- Pressure relief range is 75 to 150 psi
- ASME rated, CSA Listed
- Extension thermostat with thermo-bonded coating
- Used to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr
- ANSI Z21.22 certified
- Includes test lever and stainless steel spring
The Air Separator is a brass horizontal-mount accessory that traps and forces microbubbles out of the system. It reduces noise and improves system efficiency and operation. It features a removable vent head and stainless steel coalescing medium.
- 1 in. Inside Diameter and 1.125 in. Outside Diameter
- Reduces noise, improves system efficiency and operation
- Reduces wear and tear on system components
- Allows flow to be directed into either side of the unit
- Pin guided float for smooth operation
- Corrosion-resistant stainless steel coalescing medium can be removed and cleaned if a blockage should occur
- Ideal for use with the Webstone expansion tank ProService valve
- "1 I.D. and 1.125 O.D."
This 1/2 in. high capacity feed water pressure regulator is for use in commercial and residential hydronic heating systems to fill the boiler and piping system with water, and to maintain water pressure in the system at all times. It also provides make-up water to the system in the event of system leaks. It consists of a bronze body with union solder inlet and NPT threaded outlet connections, a tight seating check valve, purge lever for manual purging, and a stainless steel strainer. It has high capacity performance and a simplified servicing design. It is suitable for use in the boiler feed lines of hydronic heating systems. The maximum pressure is 100 psi (6.9 bar).
- Tight seating check valve
- Purge lever
- High capacity
- Stainless steel strainer
- Stainless steel strainer
- Union jount inlet connection
- Female threaded outlet connection
This 1/2 in. lead free vacuum relief valve is suitable for low pressure steam and water service, and is ideal for use in domestic water heaters and supply tanks. This valve automatically allows air to enter into the piping system to prevent vacuum conditions that could siphon water from the system and damage water equipment. It consists of a lead free brass body construction with NPT male inlet connection, and a protective cap. Maximum working pressure is 200 psi.
- Lead free construction
- Low profile
- Maximum temperature 250 degree
- Maximum steam pressure 15 psi
- This valve automatically allows air to enter into the piping system to prevent vacuum conditions
- Ideal for use in domestic water heaters and supply tanks
The E-X-P E2 is a compact version of the Original E-X-P Tankless Water Heater Service Valve. It features heavy-duty forged brass ball valves with full-port main flow channels. The uniquely designed lever/wing handle is for easy actuation of the main ball. The color-coded aluminum handles are for easy identification of hot and cold valves. This kit includes a residential grade pressure relief valve (150 psi/500,000 BTU/HR).
- Replaces 14 components, eliminates 12 leak paths, saves 108 minutes of labor
- Quicker, consistent quality installations
- Fewer leak paths
- Allows for easy cleaning or flushing of the system
- Allows for one-person diagnostic testing
- Also for use with wall hung and combi boilers
The Air Separator is a brass horizontal-mount accessory that traps and forces microbubbles out of the system. It reduces noise and improves system efficiency and operation. It features a removable vent head and stainless steel coalescing medium.
- 1 in. Inside Diameter and 1.125 in. Outside Diameter
- Reduces noise, improves system efficiency and operation
- Reduces wear and tear on system components
- Allows flow to be directed into either side of the unit
- Pin guided float for smooth operation
- Corrosion-resistant stainless steel coalescing medium can be removed and cleaned if a blockage should occur
- Ideal for use with the Webstone expansion tank ProService valve
- "1 I.D. and 1.125 O.D."
This automatic vent valve is used in commercial, residential and industrial hydronic heating applications to provide automatic or manual air venting in baseboards, convectors, radiators and high points in piping systems. It consists of a 2-piece chrome plated brass body construction, stainless steel check valve, brass disc bearing cover, copper thermostat assembly, neoprene O-ring, cellulose fiber disc, replaceable cartridge and ABS heat-resistant handwheel. The cartridge can be easily maintained or replaced without system shutdown. This valve is ideal for use with hot water and low pressure steam systems. The maximum pressure is 125 psi (8.6 bar).
- Chrome brass body
- Durable stainless steel check valve
- Quick venting design
- Positive shut off ball check
- Heat resistant handwheel
- Suitable for use with hot water and low pressure steam systems
- Easily maintained; replacement cartridge can be replaced without system shut down
- Designed for automatic or manual air release on baseboards and radiators
- Maximum working pressure is 125 psi
- Maximum water temperature is 240 degree F
This boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief, not as an operating control. The standard pressure setting is 30psi (206.9 kPa), Pressure Range: In 5psi (34.5 kPa) increments from 30 to 150psi (2 to 10 bar) with corresponding high ratings from 650,000 to 14,370,000 BTU/hr.
- Bronze Body Construction
- Standard pressure relief setting 30 psi
- Bronze body
- For hot water heating and supply boilers
- Resists corrosive water conditions
- Designed for emergency safety relief
- Stainless Steel Bands, Won'T Rust
- Plated Malleable Iron Lugs Insure Uniform Pressure
- High Content Neoprene Gasket Won'T Deteriorate, Gives Positive Seal
- Will Not Collapse Schedule 40 PVCPipe
- Sizes Fit IPS Pipe
- Stainless steel bands offer protection against rust
- Neoprene gasket provides a positive seal
- Malleable iron lugs ensure even pressure
- Works well with IPS pipe
5 years warranty against defect. For Steam and Hot Water Heating Systems. Innovative push-to-connect design makes for quick and easy installation.
- 125 psi
- Solid brass construction
- Renewable seal
- Composition disc, wheel
- Steam-bronze
- 1 in.
- IPS x IPS
- Male x female
- Black handle
- Round handle
The Air Separator is a brass horizontal-mount accessory that traps and forces microbubbles out of the system. It reduces noise and improves system efficiency and operation. It features a removable vent head and stainless steel coalescing medium.
- Reduces noise, improves system efficiency and operation
- Reduces wear and tear on system components
- Allows flow to be directed into either side of the unit
- Pin guided float for smooth operation
- Corrosion-resistant stainless steel coalescing medium can be removed and cleaned if a blockage should occur
- Ideal for use with the Webstone expansion tank pro service valve
This 1/4 in. automatic air vent valve is used in commercial and residential hydronic heating applications to provide automatic air venting for hot or cold water distribution systems. It consists of a brass body construction with female NPT connection, brass cover, air vent with silicone rubber seal, polyethylene float with valve plug and automatic vent. It has a high temperature rating and is ideal for use with glycol systems or for use as an anti-vacuum device. It can also be installed to permit the separation and dispersal of air while fluid is circulating in the system. It can be disassembled for inspection and cleaning. The maximum pressure is 150 PSI (10 BAR).
- Brass construction
- Air vent with silicon rubber seal
- Float is high temperature resistant polyethylene
- Suitable for use with glycol systems
This 3/4 in. boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief, not as an operating control. The pressure relief is set at 125 psi (862 kPa) with corresponding high pressure ratings up to 2,070,000 BTU/hr.2,070,000 BTU/hr.
- Spring loaded
- Non-mechanical seat-to-disc alignment will not stick or freeze
- Bronze body
- Automatic reseating
- To be used in hot water heating and domestic supply boiler applications
- Designed for emergency safety relief, not as an operating control
T-437 RADIATOR VALVE 1-1/2 IN