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Inta 1-1/4" Female Swivel x 1" Male Flat Face Extended Key Lever Ball Valve — Heat Pump Isolation Valve PN25 HPBV114
Inta 1-1/4" Female Swivel x 1" Male Flat Face Extended Key Lever Ball Valve — Heat Pump Isolation Valve PN25 HPBV114
The Inta HPBV114 is a full-bore brass ball Pump Isolation Valve with extended key-type lever, designed specifically for isolating heat pump connections. The connection configuration — 1¼" BSP female swivel nut × 1" BSP parallel male flat face — is matched to the flow and return port dimensions of many air source heat pumps including Samsung and Riello, where the unit's own male flat-face threaded stubs are 1" BSP and the connecting pipework or flexible hose uses a 1¼" swivel nut. The extended stem and key-type lever allow the valve to remain fully operational through insulation — the insulation jacket can be sealed around the body while the key slot on the extended stem remains accessible to open or close the valve without disturbing the thermal insulation. Maximum static inlet pressure 25 bar (PN25); working temperature –10°C to +90°C.
ℹ Typical Installation — Heat Pump Connections
The HPBV114 connects directly onto the heat pump's 1" male flat-face flow and return ports — the 1¼" swivel nut engages directly onto the unit port without additional adaptors. An Inta Intaflex flexible hose (28mm compression end) then attaches to the 1" male flat-face outlet of the ball valve, connecting to the 28mm primary circuit pipework. Two valves are required per heat pump — one on the flow connection and one on the return. This arrangement allows the heat pump to be isolated and removed for servicing without draining the entire primary circuit.
The HPBV114 connects directly onto the heat pump's 1" male flat-face flow and return ports — the 1¼" swivel nut engages directly onto the unit port without additional adaptors. An Inta Intaflex flexible hose (28mm compression end) then attaches to the 1" male flat-face outlet of the ball valve, connecting to the 28mm primary circuit pipework. Two valves are required per heat pump — one on the flow connection and one on the return. This arrangement allows the heat pump to be isolated and removed for servicing without draining the entire primary circuit.
Features & Benefits
✔ Extended Key-Type Lever — Operates Through Insulation
The extended stem with key-type (fixed slot) adjuster is the defining feature of the HPBV heat pump range. The body of the valve can be fully enclosed in an insulation jacket to comply with Part L heat loss requirements, while the protruding key slot at the top of the extended stem remains exposed. A flat-blade or similar tool engages the slot to open or close the valve without removing or cutting into the insulation — saving time on every service visit and protecting the installation's thermal performance.
✔ Direct Heat Pump Port Connection
The 1¼" female swivel nut connects directly onto the 1" male flat-face BSP ports found on Samsung (Gen 6+) and Riello heat pump units — no reducer, adaptor, or additional fitting required at the heat pump end. The flat-face (non-tapered) male thread combined with a swivel nut requires a flat washer or bonded seal (usually supplied with the heat pump or flexible hose) for a leak-free connection. The swivel nut allows the valve body to be oriented correctly regardless of access requirements.
✔ Full Bore — Minimal Pressure Drop
The full-bore ball design means the internal diameter of the valve matches the internal bore of the connecting pipework — when fully open, there is no constriction and negligible pressure drop across the valve. This is important for heat pump primary circuits, where the circulating pump must maintain the manufacturer's minimum flow rate through the heat exchanger at all times. A reduced-bore valve would introduce unnecessary resistance into the primary circuit and risk triggering low-flow fault codes.
✔ PN25 — 25 Bar Rated
Rated at PN25 (25 bar maximum static inlet pressure) — substantially higher than the working pressures in any residential or light commercial heat pump primary circuit (typically 1.5–3 bar). The PN25 rating provides a large safety margin and confirms the valve's suitability for use with glycol-based antifreeze heat transfer fluids at the concentration and temperature ranges used in ASHP installations (working temperature –10°C to +90°C).
✔ Pairs with Inta Intaflex Hoses
The HPBV114 is designed as part of the Inta heat pump connection system. The valve's 1" male flat-face outlet connects directly to Inta Intaflex flexible hoses, which provide the flexible connection between the rigid valve body (mounted on the heat pump) and the 28mm compression pipework of the primary circuit. Using matched Inta components throughout simplifies specification and ensures the connection system functions as designed — particularly important for the warranty status of heat pumps that specify Inta components.
✔ Solid Brass — Glycol Compatible
The valve body is solid brass construction (CW617N dezincification-resistant brass), compatible with water, water-glycol mixtures, and inhibited heat transfer fluids used in heat pump primary circuits. The ISO 228 thread standard ensures dimensional compatibility with the heat pump's own port threads. Thread sealing is achieved via the flat-face connection with a bonded seal or flat washer — no PTFE tape should be applied to parallel (non-tapered) flat-face threads.
Technical Specifications
| Manufacturer / Part No. | Intatec (Inta) — HPBV114 |
| Valve Type | Full-bore ball valve — extended key-type lever |
| Inlet Connection | 1¼" BSP female swivel nut |
| Outlet Connection | 1" BSP parallel male flat face |
| Thread Standard | ISO 228 |
| Max Inlet Pressure (static) | 25 bar (PN25) |
| Working Temperature | –10°C to +90°C |
| Temperature Range (full) | –20°C to +120°C |
| Body Material | Brass |
| Media | Water; water-glycol heat transfer fluids; inhibited antifreeze solutions |
| Lever Operation | Extended key-type slot — operable through insulation jacket |
| Compatible Heat Pumps | Samsung, Riello, and other ASHP with 1" male flat-face BSP ports |
| Compatible Flexible Hoses | Inta Intaflex (28mm compression end on hose side) |
| Quantity per Heat Pump | 2 (one flow, one return) |
Connection note: flat-face parallel BSP threads seal via a flat washer or bonded seal. Do not apply PTFE tape to flat-face parallel threads — seal is made at the face, not the thread.
$16.06
Original: $45.89
-65%Inta 1-1/4" Female Swivel x 1" Male Flat Face Extended Key Lever Ball Valve — Heat Pump Isolation Valve PN25 HPBV114—
$45.89
$16.06More Images
Inta 1-1/4" Female Swivel x 1" Male Flat Face Extended Key Lever Ball Valve — Heat Pump Isolation Valve PN25 HPBV114
The Inta HPBV114 is a full-bore brass ball Pump Isolation Valve with extended key-type lever, designed specifically for isolating heat pump connections. The connection configuration — 1¼" BSP female swivel nut × 1" BSP parallel male flat face — is matched to the flow and return port dimensions of many air source heat pumps including Samsung and Riello, where the unit's own male flat-face threaded stubs are 1" BSP and the connecting pipework or flexible hose uses a 1¼" swivel nut. The extended stem and key-type lever allow the valve to remain fully operational through insulation — the insulation jacket can be sealed around the body while the key slot on the extended stem remains accessible to open or close the valve without disturbing the thermal insulation. Maximum static inlet pressure 25 bar (PN25); working temperature –10°C to +90°C.
ℹ Typical Installation — Heat Pump Connections
The HPBV114 connects directly onto the heat pump's 1" male flat-face flow and return ports — the 1¼" swivel nut engages directly onto the unit port without additional adaptors. An Inta Intaflex flexible hose (28mm compression end) then attaches to the 1" male flat-face outlet of the ball valve, connecting to the 28mm primary circuit pipework. Two valves are required per heat pump — one on the flow connection and one on the return. This arrangement allows the heat pump to be isolated and removed for servicing without draining the entire primary circuit.
The HPBV114 connects directly onto the heat pump's 1" male flat-face flow and return ports — the 1¼" swivel nut engages directly onto the unit port without additional adaptors. An Inta Intaflex flexible hose (28mm compression end) then attaches to the 1" male flat-face outlet of the ball valve, connecting to the 28mm primary circuit pipework. Two valves are required per heat pump — one on the flow connection and one on the return. This arrangement allows the heat pump to be isolated and removed for servicing without draining the entire primary circuit.
Features & Benefits
✔ Extended Key-Type Lever — Operates Through Insulation
The extended stem with key-type (fixed slot) adjuster is the defining feature of the HPBV heat pump range. The body of the valve can be fully enclosed in an insulation jacket to comply with Part L heat loss requirements, while the protruding key slot at the top of the extended stem remains exposed. A flat-blade or similar tool engages the slot to open or close the valve without removing or cutting into the insulation — saving time on every service visit and protecting the installation's thermal performance.
✔ Direct Heat Pump Port Connection
The 1¼" female swivel nut connects directly onto the 1" male flat-face BSP ports found on Samsung (Gen 6+) and Riello heat pump units — no reducer, adaptor, or additional fitting required at the heat pump end. The flat-face (non-tapered) male thread combined with a swivel nut requires a flat washer or bonded seal (usually supplied with the heat pump or flexible hose) for a leak-free connection. The swivel nut allows the valve body to be oriented correctly regardless of access requirements.
✔ Full Bore — Minimal Pressure Drop
The full-bore ball design means the internal diameter of the valve matches the internal bore of the connecting pipework — when fully open, there is no constriction and negligible pressure drop across the valve. This is important for heat pump primary circuits, where the circulating pump must maintain the manufacturer's minimum flow rate through the heat exchanger at all times. A reduced-bore valve would introduce unnecessary resistance into the primary circuit and risk triggering low-flow fault codes.
✔ PN25 — 25 Bar Rated
Rated at PN25 (25 bar maximum static inlet pressure) — substantially higher than the working pressures in any residential or light commercial heat pump primary circuit (typically 1.5–3 bar). The PN25 rating provides a large safety margin and confirms the valve's suitability for use with glycol-based antifreeze heat transfer fluids at the concentration and temperature ranges used in ASHP installations (working temperature –10°C to +90°C).
✔ Pairs with Inta Intaflex Hoses
The HPBV114 is designed as part of the Inta heat pump connection system. The valve's 1" male flat-face outlet connects directly to Inta Intaflex flexible hoses, which provide the flexible connection between the rigid valve body (mounted on the heat pump) and the 28mm compression pipework of the primary circuit. Using matched Inta components throughout simplifies specification and ensures the connection system functions as designed — particularly important for the warranty status of heat pumps that specify Inta components.
✔ Solid Brass — Glycol Compatible
The valve body is solid brass construction (CW617N dezincification-resistant brass), compatible with water, water-glycol mixtures, and inhibited heat transfer fluids used in heat pump primary circuits. The ISO 228 thread standard ensures dimensional compatibility with the heat pump's own port threads. Thread sealing is achieved via the flat-face connection with a bonded seal or flat washer — no PTFE tape should be applied to parallel (non-tapered) flat-face threads.
Technical Specifications
| Manufacturer / Part No. | Intatec (Inta) — HPBV114 |
| Valve Type | Full-bore ball valve — extended key-type lever |
| Inlet Connection | 1¼" BSP female swivel nut |
| Outlet Connection | 1" BSP parallel male flat face |
| Thread Standard | ISO 228 |
| Max Inlet Pressure (static) | 25 bar (PN25) |
| Working Temperature | –10°C to +90°C |
| Temperature Range (full) | –20°C to +120°C |
| Body Material | Brass |
| Media | Water; water-glycol heat transfer fluids; inhibited antifreeze solutions |
| Lever Operation | Extended key-type slot — operable through insulation jacket |
| Compatible Heat Pumps | Samsung, Riello, and other ASHP with 1" male flat-face BSP ports |
| Compatible Flexible Hoses | Inta Intaflex (28mm compression end on hose side) |
| Quantity per Heat Pump | 2 (one flow, one return) |
Connection note: flat-face parallel BSP threads seal via a flat washer or bonded seal. Do not apply PTFE tape to flat-face parallel threads — seal is made at the face, not the thread.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Inta HPBV114 is a full-bore brass ball Pump Isolation Valve with extended key-type lever, designed specifically for isolating heat pump connections. The connection configuration — 1¼" BSP female swivel nut × 1" BSP parallel male flat face — is matched to the flow and return port dimensions of many air source heat pumps including Samsung and Riello, where the unit's own male flat-face threaded stubs are 1" BSP and the connecting pipework or flexible hose uses a 1¼" swivel nut. The extended stem and key-type lever allow the valve to remain fully operational through insulation — the insulation jacket can be sealed around the body while the key slot on the extended stem remains accessible to open or close the valve without disturbing the thermal insulation. Maximum static inlet pressure 25 bar (PN25); working temperature –10°C to +90°C.
ℹ Typical Installation — Heat Pump Connections
The HPBV114 connects directly onto the heat pump's 1" male flat-face flow and return ports — the 1¼" swivel nut engages directly onto the unit port without additional adaptors. An Inta Intaflex flexible hose (28mm compression end) then attaches to the 1" male flat-face outlet of the ball valve, connecting to the 28mm primary circuit pipework. Two valves are required per heat pump — one on the flow connection and one on the return. This arrangement allows the heat pump to be isolated and removed for servicing without draining the entire primary circuit.
The HPBV114 connects directly onto the heat pump's 1" male flat-face flow and return ports — the 1¼" swivel nut engages directly onto the unit port without additional adaptors. An Inta Intaflex flexible hose (28mm compression end) then attaches to the 1" male flat-face outlet of the ball valve, connecting to the 28mm primary circuit pipework. Two valves are required per heat pump — one on the flow connection and one on the return. This arrangement allows the heat pump to be isolated and removed for servicing without draining the entire primary circuit.
Features & Benefits
✔ Extended Key-Type Lever — Operates Through Insulation
The extended stem with key-type (fixed slot) adjuster is the defining feature of the HPBV heat pump range. The body of the valve can be fully enclosed in an insulation jacket to comply with Part L heat loss requirements, while the protruding key slot at the top of the extended stem remains exposed. A flat-blade or similar tool engages the slot to open or close the valve without removing or cutting into the insulation — saving time on every service visit and protecting the installation's thermal performance.
✔ Direct Heat Pump Port Connection
The 1¼" female swivel nut connects directly onto the 1" male flat-face BSP ports found on Samsung (Gen 6+) and Riello heat pump units — no reducer, adaptor, or additional fitting required at the heat pump end. The flat-face (non-tapered) male thread combined with a swivel nut requires a flat washer or bonded seal (usually supplied with the heat pump or flexible hose) for a leak-free connection. The swivel nut allows the valve body to be oriented correctly regardless of access requirements.
✔ Full Bore — Minimal Pressure Drop
The full-bore ball design means the internal diameter of the valve matches the internal bore of the connecting pipework — when fully open, there is no constriction and negligible pressure drop across the valve. This is important for heat pump primary circuits, where the circulating pump must maintain the manufacturer's minimum flow rate through the heat exchanger at all times. A reduced-bore valve would introduce unnecessary resistance into the primary circuit and risk triggering low-flow fault codes.
✔ PN25 — 25 Bar Rated
Rated at PN25 (25 bar maximum static inlet pressure) — substantially higher than the working pressures in any residential or light commercial heat pump primary circuit (typically 1.5–3 bar). The PN25 rating provides a large safety margin and confirms the valve's suitability for use with glycol-based antifreeze heat transfer fluids at the concentration and temperature ranges used in ASHP installations (working temperature –10°C to +90°C).
✔ Pairs with Inta Intaflex Hoses
The HPBV114 is designed as part of the Inta heat pump connection system. The valve's 1" male flat-face outlet connects directly to Inta Intaflex flexible hoses, which provide the flexible connection between the rigid valve body (mounted on the heat pump) and the 28mm compression pipework of the primary circuit. Using matched Inta components throughout simplifies specification and ensures the connection system functions as designed — particularly important for the warranty status of heat pumps that specify Inta components.
✔ Solid Brass — Glycol Compatible
The valve body is solid brass construction (CW617N dezincification-resistant brass), compatible with water, water-glycol mixtures, and inhibited heat transfer fluids used in heat pump primary circuits. The ISO 228 thread standard ensures dimensional compatibility with the heat pump's own port threads. Thread sealing is achieved via the flat-face connection with a bonded seal or flat washer — no PTFE tape should be applied to parallel (non-tapered) flat-face threads.
Technical Specifications
| Manufacturer / Part No. | Intatec (Inta) — HPBV114 |
| Valve Type | Full-bore ball valve — extended key-type lever |
| Inlet Connection | 1¼" BSP female swivel nut |
| Outlet Connection | 1" BSP parallel male flat face |
| Thread Standard | ISO 228 |
| Max Inlet Pressure (static) | 25 bar (PN25) |
| Working Temperature | –10°C to +90°C |
| Temperature Range (full) | –20°C to +120°C |
| Body Material | Brass |
| Media | Water; water-glycol heat transfer fluids; inhibited antifreeze solutions |
| Lever Operation | Extended key-type slot — operable through insulation jacket |
| Compatible Heat Pumps | Samsung, Riello, and other ASHP with 1" male flat-face BSP ports |
| Compatible Flexible Hoses | Inta Intaflex (28mm compression end on hose side) |
| Quantity per Heat Pump | 2 (one flow, one return) |
Connection note: flat-face parallel BSP threads seal via a flat washer or bonded seal. Do not apply PTFE tape to flat-face parallel threads — seal is made at the face, not the thread.
