How to Repair Non Return Valve (NRV) ! NRV Cleaning Process

[@ZaidAhmed.]

Bhaiya mere ko nal jal ke pipe isme lagana hai, isko khol kar kaya isme fit kar sakta hu ?? Koi problem to nahi hogi n
Matlb meno tank me nal jal ka pani fil karna h motar se

[@Pppplllp]

Dubara kasne pe air leak to nahi kare ga

[@abbasi5000]

NHi

[@vikashSINGH-nd9mz]

Nrb banta h ki nahi