Rain Relief Valves Rapid-Flo and Slo-Flo
Supplement your rainwater tank during dry weather spells with a reliable Full Flow Rain Relief Valve or a Slo-Flo restricted Rain Relief Valve
NZD $3.25 – $143.75
Part No:
HRRRF152025
Hansen – Rapidflo Valve 15/20/25 Long Tail
1$143.752 - 9$129.3810+$115.00
SKU:
HAN-HRRRF152025
Part No:
HRRRF324050
Hansen – Rapidflo Valve 32/40/50 Long Tail
1$143.752 - 9$129.3810+$115.00
SKU:
HAN-HRRRF324050
Part No:
HRRSF1520
Hansen – Sloflo Valve 15/20 Long Tail
1$143.752 - 9$129.3810+$115.00
SKU:
HAN-HRRSF1520
Part No:
HRRDIA
Hansen – 25mm Rain Relief Diaphragm & SS Spring
1$57.502 - 9$25.8810+$23.00
SKU:
HAN-HRRDIA
Part No:
HRRNUTG
Hansen – Rain Relief Valve Body Cap Nut
1$11.102 - 9$5.0010+$4.44
SKU:
HAN-HRRNUTG
Part No:
HRRFCAPASS
Hansen – Rain Relief Rapid~Flo Cap Assembly
1$30.662 - 9$13.8010+$12.26
SKU:
HAN-HRRFCAPASS
Part No:
HRRARMASS
Hansen – Rain Relief Arm Assembly
1$26.842 - 9$12.0810+$10.74
SKU:
HAN-HRRARMASS
Part No:
HRRWFLOAT
Hansen – Rain Relief Weighted Float
1$76.662 - 9$34.5010+$30.66
SKU:
HAN-HRRWFLOAT
Part No:
HRRWC
Hansen – Rain Relief Weight & Carrier
1$23.002 - 9$10.3510+$9.20
SKU:
HAN-HRRWC
Part No:
HMAL15
Hansen – Long Tail Adaptor with O-Ring Seal 25x15mm
1$23.012 - 9$6.9010+$6.14
SKU:
HAN-HMAL15
Part No:
HMAL20
Hansen – Long Tail Adaptor with O-Ring Seal 25x20mm
1$23.012 - 9$6.9010+$6.14
SKU:
HAN-HMAL20
Part No:
HMAL25
Hansen – Long Tail Adaptor with O-Ring Seal 25x25mm
1$15.342 - 9$6.9010+$6.14
SKU:
HAN-HMAL25
Part No:
HMAL32
Hansen – Long Tail Adaptor with O-Ring Seal 25x32mm
1$19.162 - 9$8.6210+$7.66
SKU:
HAN-HMAL32
Part No:
HMAL40
Hansen – Long Tail Adaptor with O-Ring Seal 25x40mm
1$10.552 - 9$9.5010+$8.44
SKU:
HAN-HMAL40
Part No:
HMAL50
Hansen – Long Tail Adaptor with O-Ring Seal 25x50mm
1$10.552 - 9$9.5010+$8.44
SKU:
HAN-HMAL50
Part No:
HRRSFBODY
Hansen – 25mm Rain Relief Slo~Flo Valve Body
1$23.632 - 9$21.2710+$18.90
SKU:
HAN-HRRSFBODY
Part No:
HRRSFFR
Hansen – Rain Relief Slo~Flo Flow Restrictor
1$3.252 - 9$2.9310+$2.60
SKU:
HAN-HRRSFFR
Please click on the headings to show more information on the Hansen Rain Relief Valves - Rapid-Flo and Slo-Flo Valves.
Hansen Rapid-Flo & Slo-Flo Rain Relief Valves
Sizes & Description
Sizes & Description
| Hansen Code | Size |
| HRRRF152025 Rapid~Flo Valve |
Small Adaptors - Long Tail Male 15, 20 & 25mm |
| HRRRF324050 Rapid~Flo Valve |
Large Adaptors - Long Tail Male 32, 40 & 50mm |
| HRRSF1520 Slo~Flo Valve |
Small Adaptors - Long Tail Male 15, 20 & 25mm |
| HRRDIA | 25mm Valve Diaphragm with Stainless Steel Spring |
| HRRNUTG | Valve Body Cap Nut |
| HRRRFCAPASS Rapid~Flo Valve |
Cap Assembly for Valve |
| HRRARMASS | Valve Arm Assembly |
| HRRWFLOAT | Valve Weighted Float |
| HRRCORD | Valve 2.5m Cord |
| HRRWC | Valve Weight & Carrier |
| HMAL15 | 25mm BSPT to 15mm BSPT |
| HMAL20 | 25mm BSPT to 20mm BSPT |
| HMAL25 | 25mm BSPT to 25mm BSPT |
| HMAL32 | 25mm BSPT to 32mm BSPT |
| HMAL40 | 25mm BSPT to 40mm BSPT |
| HMAL50 | 25mm BSPT to 50mm BSPT |
| HMAL15 | 25mm BSPT to 50mm BSPT |
| HRRSFBODY | 25mm Female BSPT Diaphragm Valve Body for Slo~Flo Rain Relief Valve |
Rapid~Flo Valve Infographic
Slo~Flo Valve Infographic
Hansen Rapid-Flo & Slo-Flo Valves
Product Information
Product Information
- Features & Applications
- Maintains a minimum water level in rainwater tanks.
- Suitable for high/low pressures (0.2 Bar – 12 Bar).
- Patent pending “self cleaning pilot” for use in clean/dirty water conditions.
- Soft open and close action preventing valve bounce and water hammer.
- Lock-off plunger allows the valve to be locked to the off position manually.
- A strong, compact design manufactured from strong, non-corrosive, UV-stabilised materials.
- Rapid~Flo Valve - Delivers high volumes of water quickly with unrestricted full flow (1275 l/min at 12 Bar).
- Slo~Flo Valve - Delivers consistent 2.0 l/min.
- Download the Hansen Rapid~Flo Valves Brochure.
- Download the Hansen Slo~Flo Valves Brochure.
- Intellectual Property
- The Hansen Rain Relief Floats on this website are patent pending. The Hansen Rain Relief Valves on this website are protected by NZ registered design application 422627 and Australian registered design application 201710480.