Vaillant O-Ring, (x10) 981234 VC 104/3-E VC 105 E VC 105/2 E VC 105/3-E (R1) VC 107 E VC 126+196+246/2-C VC 136+276-E VC 146+206+276/4-7 VC 166+206+256 E VC 194 XE-C VC 194/2 XE-C VC 194/3-C VC 195 E-C VC 195/2 E-C VC 195/3-C (R1) VC 204+254 XE VC 204+254/2 XE VC 204+254/3-E VC 205+255 E VC 205+255/2 E VC 205-255/3-E (R1) VC 64+104 XE VC 64+104/2 XE VC 66+106 E VCW 194 XE-C VCW 194/2 XE-C VCW 194+244/3-C VCW 195 E-C VCW 195/2 E-C VCW 195/3-C (R1) VCW 196+246/2-C VCW 204+254 XE VCW 204+254/2 XE VCW 204+254/3-E VCW 205+255 E VCW 205+255/2 E VCW 205+255/3-E (R1) VCW 206+256 E VSC 126+196/2-C VSC 126+196/3-5 R2,3 VSC 126+196-C VSC 126+196-C R1 VSC 126-196/3-5 (R1) VSC 196-C R2 VSC 246/2-C VSC 246/3-5 (R1) VSC 246/3-5 R2,3 VSC S 126+196/2-C VSC S 126+196/3-5 (R1) VSC S 126+196/3-5 R2,3 VSC S 196-C 200 VWL 37+57+77/5, versoVAIR VWL 39+59+79/5 VWL 57+77+127/5 IS VWL 58+78+128/5 IS