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H2 solar shop supplying solar thermal collectors and solar equipment to the trade and self builder
Valves
Filling & flushing valves
filling-flushing-unit
Mixer / blending valves
Motorised  valves
Automatic.Air.Vent
motorised.valves
Pressure relief valves
Non return valves
Pressure.relief.valve
Filling & Flushing Valves

56431    DN15 Compression with sleeve    £31.22

 

 

56451    DN22 Compression with sleeve    £31.22

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Adjustment range
Connections
Max. temp
Max pressure
Price
MA1
30-70deg c
3/4” MI unions
100deg c
10bar
53.98
MA1S22
30-70deg c
22mm solder unions
100deg c
10bar
60.48
MA1S28
30-70deg c
28mm solder unions
100deg c
10bar
65.69
50022SR
30-65deg c
22mm comp
110deg c
14bar
52.03
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The MA1 is a thermostatic mixing valve, adjustable between 30 – 70 deg C. It is supplied complete with 3⁄4” male iron unions and is especially suitable for solar systems as it will accept incoming water at up to 100 deg C. This valve requires 0.5 bar inlet pressure to operate.

 

Motorised Valves
Resol valves have been developed specially for solar thermal applications.

VA20 is a normally closed 2 wire,2 port valve fitted with an electrothermatic actuator with an operating time of approx 3 minutes. Can be changed to normally open. Temperature range up to 120 deg C continuous and 140 deg C intermittent. Power consumption 2.5 watts.

 

Please click here for PDF manual

 

27000503    Resol VA20 - DN15     £58.86

 

27000513    Resol VA20 - DN20     £60.48

 

27000523    Resol VA20 - DN25     £62.24

 

27000533    Resol VA20 - DN32     £83.89

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VA22 is a 2 port motor open, motor close ball valve with operating time aprrox. 30 seconds. Easily changed from normally open to normally closed and has an auxiliary. Temperature range up to 120 deg C.

 

Please click here for PDF Manual

 

27000170    Resol VA22 - DN20     £89.75

 

27000180    Resol VA22 - DN25     £91.30

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VA32 is a-3 port diverter valve with the same characteristics as the VA22.

 

Please click here for PDF manual

 

 

27000190    Resol VA32 - DN20     £100.81

 

27000200    Resol VA32 - DN25     £103.41

 

27000310    Resol VA32 - DN32     £108.92

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VA300 is a 3- port diverter valve with the same characteristics as the VA20

 

 

 

27000540    Resol VA300 - DN20     £126.49

 

27000550    Resol VA300 - DN25     £136.57

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Connections
Max Temp
Max pressure
Price
12111
PAW Spring pattern - 3/4” FI
220deg c
10bar
16.25
14500
Swing Pattern 1/2” FI
186deg c
10.5bar
13.01
14501
Swing Pattern 3/4” FI
186deg c
10.5bar
18.21
Non Return Valves
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Connections
Max. temp
Pressure
Price
caleffi30
1/2”x3/4” FI
160deg c
3bar
£9.76
caleffi60
1/2”x3/4” FI
160deg c
6bar
£9.76
sol35
1/2”x3/4” FI
160deg c
3.5bar
£6.51
sol40
1/2”x3/4” FI
160deg c
6bar
£6.51
sol60
1/2”x3/4” FI
160deg c
6bar
£6.51
Pressure Relief Valves
Pressure  Gauge
312106              1/4” BSP                                                 0-6bar                    7.02
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Pressure gauge
Pressure_gauge
Non.return.valve
Pressure_gauge
Auto Air Vent
Automatic Air Vents

Auto Air Vent - DZR Brass casing with stainless steel float. Can withstand continuous temperature of 150 deg C.

Can be supplied complete with quarter turn isolating valve and air scoop.

The air scoop allows the air vent to be installed internally at low level.

Automatic Air Vent              Technical data

10043              3/8” MI                  150 deg c              16bar                   £18.21
Isolating valve (optional but highly recommended)

10047              3/8” MI  & FI           160 deg c              10bar                   £3.25
Air Separator         Technical data

10042              22mm comp            150 deg c              6bar                   £28.61
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Automatic.Air.Vent