Reliance TPR Valve 20mm (3/4″) – 700kPa

Reliance Worldwide RMC

Protect Your Solar Hot Water System with the Reliable 20mm TPR Relief Valve

Ensure your hot water cylinder stays safe from over-pressure and overheating with this high-performance 20mm Pressure and Temperature Relief (TPR) Valve. Designed for unvented systems like solar thermal setups, it automatically releases excess pressure or hot water when temperatures hit 99°C or pressures exceed safe levels – preventing damage and ensuring compliance with NZ standards.

Perfect for larger solar hot water installations in New Zealand homes, this valve is dezincification-resistant and built to last in our variable climate. WaterMark certified and individually tested for quality.

Key Specifications:

• Size: 20mm 3/4″
• Pressure Ratings: 700kPa
• Temperature Rating: Activates at 99°C to prevent scalding or system failure
• Materials: Dezincification-resistant brass with plastic-coated temperature probe (prevents electrolysis)
• Certifications: AS 1357.1, WaterMark LIC WMKA 0938, SAI Global – fully compliant for NZ Building Code

Features & Benefits:

• Fail-Safe Protection: Sealed spring cavity resists calcification; female BSP outlet thread prevents incorrect installation
• Versatile Install: Suitable for horizontal or vertical mounting – easy retrofit to existing solar cylinders
• High Efficiency for Solar: Ideal for Ice Solar thermal systems; handles high temps from solar gain without stagnation issues
• Durable & Low-Maintenance: Tested and calibrated individually; minimal risk of seizing or leaks
• Eco-Friendly: Helps maintain system efficiency, reducing energy waste in your hot water setup

Installation Tips: Mount on the hot water cylinder as per AS/NZS guidelines. Professional installation recommended – we offer full service in Christchurch and Canterbury.

Searching for a “20mm TPR valve” or “pressure temperature relief valve solar hot water”? This is the reliable choice for safety and longevity.

RWC Product HTX2002 / HT703