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TBVs

Reliance Valves 1/2" Thermostatic Balancing Valve

Reliance Valves 3/4" Thermostatic Balancing Valve

Buy TBVs at Screwfix.com. 60 days free credit available. Pay your way. PayPal accepted online. Apple Pay accepted in store. Over 70,000 products. 30 day money back guarantee.

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Reliance Valves 1/2" Thermostatic Balancing Valve (735HT)

Reliance Valves 3/4" Thermostatic Balancing Valve (276HT)